18441840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1846

約数の個数: 80

約数和(自身を含む): 58531968

約数和(自身を除く): 40090128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 1787, 2064, 2580, 3440, 3574, 5160, 5361, 7148, 8935, 10320, 10722, 14296, 17870, 21444, 26805, 28592, 35740, 42888, 53610, 71480, 76841, 85776, 107220, 142960, 153682, 214440, 230523, 307364, 384205, 428880, 461046, 614728, 768410, 922092, 1152615, 1229456, 1536820, 1844184, 2305230, 3073640, 3688368, 4610460, 6147280, 9220920, 18441840]

約数ペア:

[(1, 18441840), (2, 9220920), (3, 6147280), (4, 4610460), (5, 3688368), (6, 3073640), (8, 2305230), (10, 1844184), (12, 1536820), (15, 1229456), (16, 1152615), (20, 922092), (24, 768410), (30, 614728), (40, 461046), (43, 428880), (48, 384205), (60, 307364), (80, 230523), (86, 214440), (120, 153682), (129, 142960), (172, 107220), (215, 85776), (240, 76841), (258, 71480), (344, 53610), (430, 42888), (516, 35740), (645, 28592), (688, 26805), (860, 21444), (1032, 17870), (1290, 14296), (1720, 10722), (1787, 10320), (2064, 8935), (2580, 7148), (3440, 5361), (3574, 5160)]