19980857535

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1163}}^1\times {\mathrm{7687}}^1$

素因数の和:9007

約数の個数: 32

約数和(自身を含む): 32215795200

約数和(自身を除く): 12234937665

約数列:

[1, 3, 5, 15, 149, 447, 745, 1163, 2235, 3489, 5815, 7687, 17445, 23061, 38435, 115305, 173287, 519861, 866435, 1145363, 2599305, 3436089, 5726815, 8939981, 17180445, 26819943, 44699905, 134099715, 1332057169, 3996171507, 6660285845, 19980857535]

約数ペア:

[(1, 19980857535), (3, 6660285845), (5, 3996171507), (15, 1332057169), (149, 134099715), (447, 44699905), (745, 26819943), (1163, 17180445), (2235, 8939981), (3489, 5726815), (5815, 3436089), (7687, 2599305), (17445, 1145363), (23061, 866435), (38435, 519861), (115305, 173287)]