18230888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{571}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 36996960

約数和(自身を除く): 18766072

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 307, 571, 614, 1142, 1228, 2284, 2456, 3991, 4568, 7423, 7982, 14846, 15964, 29692, 31928, 59384, 175297, 350594, 701188, 1402376, 2278861, 4557722, 9115444, 18230888]

約数ペア:

[(1, 18230888), (2, 9115444), (4, 4557722), (8, 2278861), (13, 1402376), (26, 701188), (52, 350594), (104, 175297), (307, 59384), (571, 31928), (614, 29692), (1142, 15964), (1228, 14846), (2284, 7982), (2456, 7423), (3991, 4568)]