18722964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{467}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 47331648

約数和(自身を除く): 28608684

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 257, 467, 514, 771, 934, 1028, 1401, 1542, 1868, 2802, 3084, 3341, 5604, 6071, 6682, 10023, 12142, 13364, 18213, 20046, 24284, 36426, 40092, 72852, 120019, 240038, 360057, 480076, 720114, 1440228, 1560247, 3120494, 4680741, 6240988, 9361482, 18722964]

約数ペア:

[(1, 18722964), (2, 9361482), (3, 6240988), (4, 4680741), (6, 3120494), (12, 1560247), (13, 1440228), (26, 720114), (39, 480076), (52, 360057), (78, 240038), (156, 120019), (257, 72852), (467, 40092), (514, 36426), (771, 24284), (934, 20046), (1028, 18213), (1401, 13364), (1542, 12142), (1868, 10023), (2802, 6682), (3084, 6071), (3341, 5604)]