19405620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8293}}^1$

素因数の和:8321

約数の個数: 72

約数和(自身を含む): 63399336

約数和(自身を除く): 43993716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8293, 16586, 24879, 33172, 41465, 49758, 74637, 82930, 99516, 107809, 124395, 149274, 165860, 215618, 248790, 298548, 323427, 373185, 431236, 497580, 539045, 646854, 746370, 970281, 1078090, 1293708, 1492740, 1617135, 1940562, 2156180, 3234270, 3881124, 4851405, 6468540, 9702810, 19405620]

約数ペア:

[(1, 19405620), (2, 9702810), (3, 6468540), (4, 4851405), (5, 3881124), (6, 3234270), (9, 2156180), (10, 1940562), (12, 1617135), (13, 1492740), (15, 1293708), (18, 1078090), (20, 970281), (26, 746370), (30, 646854), (36, 539045), (39, 497580), (45, 431236), (52, 373185), (60, 323427), (65, 298548), (78, 248790), (90, 215618), (117, 165860), (130, 149274), (156, 124395), (180, 107809), (195, 99516), (234, 82930), (260, 74637), (390, 49758), (468, 41465), (585, 33172), (780, 24879), (1170, 16586), (2340, 8293)]