18397890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 192

約数和(自身を含む): 60652800

約数和(自身を除く): 42254910

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 29, 30, 35, 38, 42, 45, 53, 57, 58, 63, 70, 87, 90, 95, 105, 106, 114, 126, 133, 145, 159, 171, 174, 190, 203, 210, 261, 265, 266, 285, 290, 315, 318, 342, 371, 399, 406, 435, 477, 522, 530, 551, 570, 609, 630, 665, 742, 795, 798, 855, 870, 954, 1007, 1015, 1102, 1113, 1197, 1218, 1305, 1330, 1537, 1590, 1653, 1710, 1827, 1855, 1995, 2014, 2030, 2226, 2385, 2394, 2610, 2755, 3021, 3045, 3074, 3306, 3339, 3654, 3710, 3857, 3990, 4611, 4770, 4959, 5035, 5510, 5565, 5985, 6042, 6090, 6678, 7049, 7685, 7714, 8265, 9063, 9135, 9222, 9918, 10070, 10759, 11130, 11571, 11970, 13833, 14098, 15105, 15370, 16530, 16695, 18126, 18270, 19285, 21147, 21518, 23055, 23142, 24795, 27666, 29203, 30210, 32277, 33390, 34713, 35245, 38570, 42294, 45315, 46110, 49590, 53795, 57855, 58406, 63441, 64554, 69165, 69426, 70490, 87609, 90630, 96831, 105735, 107590, 115710, 126882, 138330, 146015, 161385, 173565, 175218, 193662, 204421, 211470, 262827, 292030, 317205, 322770, 347130, 408842, 438045, 484155, 525654, 613263, 634410, 876090, 968310, 1022105, 1226526, 1314135, 1839789, 2044210, 2628270, 3066315, 3679578, 6132630, 9198945, 18397890]

約数ペア:

[(1, 18397890), (2, 9198945), (3, 6132630), (5, 3679578), (6, 3066315), (7, 2628270), (9, 2044210), (10, 1839789), (14, 1314135), (15, 1226526), (18, 1022105), (19, 968310), (21, 876090), (29, 634410), (30, 613263), (35, 525654), (38, 484155), (42, 438045), (45, 408842), (53, 347130), (57, 322770), (58, 317205), (63, 292030), (70, 262827), (87, 211470), (90, 204421), (95, 193662), (105, 175218), (106, 173565), (114, 161385), (126, 146015), (133, 138330), (145, 126882), (159, 115710), (171, 107590), (174, 105735), (190, 96831), (203, 90630), (210, 87609), (261, 70490), (265, 69426), (266, 69165), (285, 64554), (290, 63441), (315, 58406), (318, 57855), (342, 53795), (371, 49590), (399, 46110), (406, 45315), (435, 42294), (477, 38570), (522, 35245), (530, 34713), (551, 33390), (570, 32277), (609, 30210), (630, 29203), (665, 27666), (742, 24795), (795, 23142), (798, 23055), (855, 21518), (870, 21147), (954, 19285), (1007, 18270), (1015, 18126), (1102, 16695), (1113, 16530), (1197, 15370), (1218, 15105), (1305, 14098), (1330, 13833), (1537, 11970), (1590, 11571), (1653, 11130), (1710, 10759), (1827, 10070), (1855, 9918), (1995, 9222), (2014, 9135), (2030, 9063), (2226, 8265), (2385, 7714), (2394, 7685), (2610, 7049), (2755, 6678), (3021, 6090), (3045, 6042), (3074, 5985), (3306, 5565), (3339, 5510), (3654, 5035), (3710, 4959), (3857, 4770), (3990, 4611)]