19109020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 52399872

約数和(自身を除く): 33290852

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 37, 49, 62, 68, 70, 74, 85, 98, 119, 124, 140, 148, 155, 170, 185, 196, 217, 238, 245, 259, 310, 340, 370, 434, 476, 490, 518, 527, 595, 620, 629, 740, 833, 868, 980, 1036, 1054, 1085, 1147, 1190, 1258, 1295, 1519, 1666, 1813, 2108, 2170, 2294, 2380, 2516, 2590, 2635, 3038, 3145, 3332, 3626, 3689, 4165, 4340, 4403, 4588, 5180, 5270, 5735, 6076, 6290, 7252, 7378, 7595, 8029, 8330, 8806, 9065, 10540, 11470, 12580, 14756, 15190, 16058, 16660, 17612, 18130, 18445, 19499, 22015, 22940, 25823, 30380, 30821, 32116, 36260, 36890, 38998, 40145, 44030, 51646, 56203, 61642, 73780, 77996, 80290, 88060, 97495, 103292, 112406, 123284, 129115, 136493, 154105, 160580, 194990, 224812, 258230, 272986, 281015, 308210, 389980, 516460, 545972, 562030, 616420, 682465, 955451, 1124060, 1364930, 1910902, 2729860, 3821804, 4777255, 9554510, 19109020]

約数ペア:

[(1, 19109020), (2, 9554510), (4, 4777255), (5, 3821804), (7, 2729860), (10, 1910902), (14, 1364930), (17, 1124060), (20, 955451), (28, 682465), (31, 616420), (34, 562030), (35, 545972), (37, 516460), (49, 389980), (62, 308210), (68, 281015), (70, 272986), (74, 258230), (85, 224812), (98, 194990), (119, 160580), (124, 154105), (140, 136493), (148, 129115), (155, 123284), (170, 112406), (185, 103292), (196, 97495), (217, 88060), (238, 80290), (245, 77996), (259, 73780), (310, 61642), (340, 56203), (370, 51646), (434, 44030), (476, 40145), (490, 38998), (518, 36890), (527, 36260), (595, 32116), (620, 30821), (629, 30380), (740, 25823), (833, 22940), (868, 22015), (980, 19499), (1036, 18445), (1054, 18130), (1085, 17612), (1147, 16660), (1190, 16058), (1258, 15190), (1295, 14756), (1519, 12580), (1666, 11470), (1813, 10540), (2108, 9065), (2170, 8806), (2294, 8330), (2380, 8029), (2516, 7595), (2590, 7378), (2635, 7252), (3038, 6290), (3145, 6076), (3332, 5735), (3626, 5270), (3689, 5180), (4165, 4588), (4340, 4403)]