19138440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3709}}^1$

素因数の和:3766

約数の個数: 64

約数和(自身を含む): 58766400

約数和(自身を除く): 39627960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3709, 5160, 7418, 11127, 14836, 18545, 22254, 29672, 37090, 44508, 55635, 74180, 89016, 111270, 148360, 159487, 222540, 318974, 445080, 478461, 637948, 797435, 956922, 1275896, 1594870, 1913844, 2392305, 3189740, 3827688, 4784610, 6379480, 9569220, 19138440]

約数ペア:

[(1, 19138440), (2, 9569220), (3, 6379480), (4, 4784610), (5, 3827688), (6, 3189740), (8, 2392305), (10, 1913844), (12, 1594870), (15, 1275896), (20, 956922), (24, 797435), (30, 637948), (40, 478461), (43, 445080), (60, 318974), (86, 222540), (120, 159487), (129, 148360), (172, 111270), (215, 89016), (258, 74180), (344, 55635), (430, 44508), (516, 37090), (645, 29672), (860, 22254), (1032, 18545), (1290, 14836), (1720, 11127), (2580, 7418), (3709, 5160)]