19900996860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8964413}}^1$

素因数の和:8964462

約数の個数: 48

約数和(自身を含む): 57228818976

約数和(自身を除く): 37327822116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8964413, 17928826, 26893239, 35857652, 44822065, 53786478, 89644130, 107572956, 134466195, 179288260, 268932390, 331683281, 537864780, 663366562, 995049843, 1326733124, 1658416405, 1990099686, 3316832810, 3980199372, 4975249215, 6633665620, 9950498430, 19900996860]

約数ペア:

[(1, 19900996860), (2, 9950498430), (3, 6633665620), (4, 4975249215), (5, 3980199372), (6, 3316832810), (10, 1990099686), (12, 1658416405), (15, 1326733124), (20, 995049843), (30, 663366562), (37, 537864780), (60, 331683281), (74, 268932390), (111, 179288260), (148, 134466195), (185, 107572956), (222, 89644130), (370, 53786478), (444, 44822065), (555, 35857652), (740, 26893239), (1110, 17928826), (2220, 8964413)]