18207605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 25885440

約数和(自身を除く): 7677835

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 437, 641, 1235, 1495, 2185, 3205, 5681, 8333, 12179, 14743, 28405, 41665, 60895, 73715, 158327, 191659, 280117, 791635, 958295, 1400585, 3641521, 18207605]

約数ペア:

[(1, 18207605), (5, 3641521), (13, 1400585), (19, 958295), (23, 791635), (65, 280117), (95, 191659), (115, 158327), (247, 73715), (299, 60895), (437, 41665), (641, 28405), (1235, 14743), (1495, 12179), (2185, 8333), (3205, 5681)]