18711560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3931}}^1$

素因数の和:3966

約数の個数: 64

約数和(自身を含む): 50958720

約数和(自身を除く): 32247160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 3931, 4760, 7862, 15724, 19655, 27517, 31448, 39310, 55034, 66827, 78620, 110068, 133654, 137585, 157240, 220136, 267308, 275170, 334135, 467789, 534616, 550340, 668270, 935578, 1100680, 1336540, 1871156, 2338945, 2673080, 3742312, 4677890, 9355780, 18711560]

約数ペア:

[(1, 18711560), (2, 9355780), (4, 4677890), (5, 3742312), (7, 2673080), (8, 2338945), (10, 1871156), (14, 1336540), (17, 1100680), (20, 935578), (28, 668270), (34, 550340), (35, 534616), (40, 467789), (56, 334135), (68, 275170), (70, 267308), (85, 220136), (119, 157240), (136, 137585), (140, 133654), (170, 110068), (238, 78620), (280, 66827), (340, 55034), (476, 39310), (595, 31448), (680, 27517), (952, 19655), (1190, 15724), (2380, 7862), (3931, 4760)]