19737420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3257}}^1$

素因数の和:3370

約数の個数: 48

約数和(自身を含む): 55829088

約数和(自身を除く): 36091668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3257, 6060, 6514, 9771, 13028, 16285, 19542, 32570, 39084, 48855, 65140, 97710, 195420, 328957, 657914, 986871, 1315828, 1644785, 1973742, 3289570, 3947484, 4934355, 6579140, 9868710, 19737420]

約数ペア:

[(1, 19737420), (2, 9868710), (3, 6579140), (4, 4934355), (5, 3947484), (6, 3289570), (10, 1973742), (12, 1644785), (15, 1315828), (20, 986871), (30, 657914), (60, 328957), (101, 195420), (202, 97710), (303, 65140), (404, 48855), (505, 39084), (606, 32570), (1010, 19542), (1212, 16285), (1515, 13028), (2020, 9771), (3030, 6514), (3257, 6060)]