19437720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3767}}^1$

素因数の和:3824

約数の個数: 64

約数和(自身を含む): 59685120

約数和(自身を除く): 40247400

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, 3767, 5160, 7534, 11301, 15068, 18835, 22602, 30136, 37670, 45204, 56505, 75340, 90408, 113010, 150680, 161981, 226020, 323962, 452040, 485943, 647924, 809905, 971886, 1295848, 1619810, 1943772, 2429715, 3239620, 3887544, 4859430, 6479240, 9718860, 19437720]

約数ペア:

[(1, 19437720), (2, 9718860), (3, 6479240), (4, 4859430), (5, 3887544), (6, 3239620), (8, 2429715), (10, 1943772), (12, 1619810), (15, 1295848), (20, 971886), (24, 809905), (30, 647924), (40, 485943), (43, 452040), (60, 323962), (86, 226020), (120, 161981), (129, 150680), (172, 113010), (215, 90408), (258, 75340), (344, 56505), (430, 45204), (516, 37670), (645, 30136), (860, 22602), (1032, 18835), (1290, 15068), (1720, 11301), (2580, 7534), (3767, 5160)]