18962541

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 31187520

約数和(自身を除く): 12224979

約数列:

[1, 3, 9, 13, 39, 41, 59, 67, 117, 123, 177, 201, 369, 531, 533, 603, 767, 871, 1599, 2301, 2419, 2613, 2747, 3953, 4797, 6903, 7257, 7839, 8241, 11859, 21771, 24723, 31447, 35577, 35711, 51389, 94341, 107133, 154167, 162073, 283023, 321399, 462501, 486219, 1458657, 2106949, 6320847, 18962541]

約数ペア:

[(1, 18962541), (3, 6320847), (9, 2106949), (13, 1458657), (39, 486219), (41, 462501), (59, 321399), (67, 283023), (117, 162073), (123, 154167), (177, 107133), (201, 94341), (369, 51389), (531, 35711), (533, 35577), (603, 31447), (767, 24723), (871, 21771), (1599, 11859), (2301, 8241), (2419, 7839), (2613, 7257), (2747, 6903), (3953, 4797)]