19857188520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4242989}}^1$

素因数の和:4243019

約数の個数: 96

約数和(自身を含む): 69500176200

約数和(自身を除く): 49642987680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 4242989, 8485978, 12728967, 16971956, 21214945, 25457934, 33943912, 38186901, 42429890, 50915868, 55158857, 63644835, 76373802, 84859780, 101831736, 110317714, 127289670, 152747604, 165476571, 169719560, 190934505, 220635428, 254579340, 275794285, 305495208, 330953142, 381869010, 441270856, 496429713, 509158680, 551588570, 661906284, 763738020, 827382855, 992859426, 1103177140, 1323812568, 1527476040, 1654765710, 1985718852, 2206354280, 2482148565, 3309531420, 3971437704, 4964297130, 6619062840, 9928594260, 19857188520]

約数ペア:

[(1, 19857188520), (2, 9928594260), (3, 6619062840), (4, 4964297130), (5, 3971437704), (6, 3309531420), (8, 2482148565), (9, 2206354280), (10, 1985718852), (12, 1654765710), (13, 1527476040), (15, 1323812568), (18, 1103177140), (20, 992859426), (24, 827382855), (26, 763738020), (30, 661906284), (36, 551588570), (39, 509158680), (40, 496429713), (45, 441270856), (52, 381869010), (60, 330953142), (65, 305495208), (72, 275794285), (78, 254579340), (90, 220635428), (104, 190934505), (117, 169719560), (120, 165476571), (130, 152747604), (156, 127289670), (180, 110317714), (195, 101831736), (234, 84859780), (260, 76373802), (312, 63644835), (360, 55158857), (390, 50915868), (468, 42429890), (520, 38186901), (585, 33943912), (780, 25457934), (936, 21214945), (1170, 16971956), (1560, 12728967), (2340, 8485978), (4680, 4242989)]