18932685

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 31363200

約数和(自身を除く): 12430515

約数列:

[1, 3, 5, 15, 43, 129, 149, 197, 215, 447, 591, 645, 745, 985, 2235, 2955, 6407, 8471, 19221, 25413, 29353, 32035, 42355, 88059, 96105, 127065, 146765, 440295, 1262179, 3786537, 6310895, 18932685]

約数ペア:

[(1, 18932685), (3, 6310895), (5, 3786537), (15, 1262179), (43, 440295), (129, 146765), (149, 127065), (197, 96105), (215, 88059), (447, 42355), (591, 32035), (645, 29353), (745, 25413), (985, 19221), (2235, 8471), (2955, 6407)]