19605339

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 32227104

約数和(自身を除く): 12621765

約数列:

[1, 3, 9, 13, 39, 41, 61, 67, 117, 123, 183, 201, 369, 533, 549, 603, 793, 871, 1599, 2379, 2501, 2613, 2747, 4087, 4797, 7137, 7503, 7839, 8241, 12261, 22509, 24723, 32513, 35711, 36783, 53131, 97539, 107133, 159393, 167567, 292617, 321399, 478179, 502701, 1508103, 2178371, 6535113, 19605339]

約数ペア:

[(1, 19605339), (3, 6535113), (9, 2178371), (13, 1508103), (39, 502701), (41, 478179), (61, 321399), (67, 292617), (117, 167567), (123, 159393), (183, 107133), (201, 97539), (369, 53131), (533, 36783), (549, 35711), (603, 32513), (793, 24723), (871, 22509), (1599, 12261), (2379, 8241), (2501, 7839), (2613, 7503), (2747, 7137), (4087, 4797)]