19235560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 45677520

約数和(自身を除く): 26441960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 317, 328, 370, 410, 634, 740, 820, 1268, 1480, 1517, 1585, 1640, 2536, 3034, 3170, 6068, 6340, 7585, 11729, 12136, 12680, 12997, 15170, 23458, 25994, 30340, 46916, 51988, 58645, 60680, 64985, 93832, 103976, 117290, 129970, 234580, 259940, 469160, 480889, 519880, 961778, 1923556, 2404445, 3847112, 4808890, 9617780, 19235560]

約数ペア:

[(1, 19235560), (2, 9617780), (4, 4808890), (5, 3847112), (8, 2404445), (10, 1923556), (20, 961778), (37, 519880), (40, 480889), (41, 469160), (74, 259940), (82, 234580), (148, 129970), (164, 117290), (185, 103976), (205, 93832), (296, 64985), (317, 60680), (328, 58645), (370, 51988), (410, 46916), (634, 30340), (740, 25994), (820, 23458), (1268, 15170), (1480, 12997), (1517, 12680), (1585, 12136), (1640, 11729), (2536, 7585), (3034, 6340), (3170, 6068)]