18468840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11839}}^1$

素因数の和:11866

約数の個数: 64

約数和(自身を含む): 59673600

約数和(自身を除く): 41204760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 11839, 23678, 35517, 47356, 59195, 71034, 94712, 118390, 142068, 153907, 177585, 236780, 284136, 307814, 355170, 461721, 473560, 615628, 710340, 769535, 923442, 1231256, 1420680, 1539070, 1846884, 2308605, 3078140, 3693768, 4617210, 6156280, 9234420, 18468840]

約数ペア:

[(1, 18468840), (2, 9234420), (3, 6156280), (4, 4617210), (5, 3693768), (6, 3078140), (8, 2308605), (10, 1846884), (12, 1539070), (13, 1420680), (15, 1231256), (20, 923442), (24, 769535), (26, 710340), (30, 615628), (39, 473560), (40, 461721), (52, 355170), (60, 307814), (65, 284136), (78, 236780), (104, 177585), (120, 153907), (130, 142068), (156, 118390), (195, 94712), (260, 71034), (312, 59195), (390, 47356), (520, 35517), (780, 23678), (1560, 11839)]