19794120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 65111040

約数和(自身を除く): 45316920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 313, 340, 372, 408, 465, 510, 527, 620, 626, 680, 744, 930, 939, 1020, 1054, 1240, 1252, 1565, 1581, 1860, 1878, 2040, 2108, 2504, 2635, 3130, 3162, 3720, 3756, 4216, 4695, 5270, 5321, 6260, 6324, 7512, 7905, 9390, 9703, 10540, 10642, 12520, 12648, 15810, 15963, 18780, 19406, 21080, 21284, 26605, 29109, 31620, 31926, 37560, 38812, 42568, 48515, 53210, 58218, 63240, 63852, 77624, 79815, 97030, 106420, 116436, 127704, 145545, 159630, 164951, 194060, 212840, 232872, 291090, 319260, 329902, 388120, 494853, 582180, 638520, 659804, 824755, 989706, 1164360, 1319608, 1649510, 1979412, 2474265, 3299020, 3958824, 4948530, 6598040, 9897060, 19794120]

約数ペア:

[(1, 19794120), (2, 9897060), (3, 6598040), (4, 4948530), (5, 3958824), (6, 3299020), (8, 2474265), (10, 1979412), (12, 1649510), (15, 1319608), (17, 1164360), (20, 989706), (24, 824755), (30, 659804), (31, 638520), (34, 582180), (40, 494853), (51, 388120), (60, 329902), (62, 319260), (68, 291090), (85, 232872), (93, 212840), (102, 194060), (120, 164951), (124, 159630), (136, 145545), (155, 127704), (170, 116436), (186, 106420), (204, 97030), (248, 79815), (255, 77624), (310, 63852), (313, 63240), (340, 58218), (372, 53210), (408, 48515), (465, 42568), (510, 38812), (527, 37560), (620, 31926), (626, 31620), (680, 29109), (744, 26605), (930, 21284), (939, 21080), (1020, 19406), (1054, 18780), (1240, 15963), (1252, 15810), (1565, 12648), (1581, 12520), (1860, 10642), (1878, 10540), (2040, 9703), (2108, 9390), (2504, 7905), (2635, 7512), (3130, 6324), (3162, 6260), (3720, 5321), (3756, 5270), (4216, 4695)]