18474885

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 120

約数和(自身を含む): 40554360

約数和(自身を除く): 22079475

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 29, 33, 39, 45, 55, 65, 81, 87, 99, 117, 121, 135, 143, 145, 165, 195, 261, 297, 319, 351, 363, 377, 405, 429, 435, 495, 585, 605, 715, 783, 891, 957, 1053, 1089, 1131, 1287, 1305, 1485, 1573, 1595, 1755, 1815, 1885, 2145, 2349, 2871, 3267, 3393, 3509, 3861, 3915, 4147, 4455, 4719, 4785, 5265, 5445, 5655, 6435, 7865, 8613, 9801, 10179, 10527, 11583, 11745, 12441, 14157, 14355, 16335, 16965, 17545, 19305, 20735, 23595, 25839, 30537, 31581, 37323, 42471, 43065, 45617, 49005, 50895, 52635, 57915, 62205, 70785, 94743, 111969, 127413, 129195, 136851, 152685, 157905, 186615, 212355, 228085, 284229, 335907, 410553, 473715, 559845, 637065, 684255, 1231659, 1421145, 1679535, 2052765, 3694977, 6158295, 18474885]

約数ペア:

[(1, 18474885), (3, 6158295), (5, 3694977), (9, 2052765), (11, 1679535), (13, 1421145), (15, 1231659), (27, 684255), (29, 637065), (33, 559845), (39, 473715), (45, 410553), (55, 335907), (65, 284229), (81, 228085), (87, 212355), (99, 186615), (117, 157905), (121, 152685), (135, 136851), (143, 129195), (145, 127413), (165, 111969), (195, 94743), (261, 70785), (297, 62205), (319, 57915), (351, 52635), (363, 50895), (377, 49005), (405, 45617), (429, 43065), (435, 42471), (495, 37323), (585, 31581), (605, 30537), (715, 25839), (783, 23595), (891, 20735), (957, 19305), (1053, 17545), (1089, 16965), (1131, 16335), (1287, 14355), (1305, 14157), (1485, 12441), (1573, 11745), (1595, 11583), (1755, 10527), (1815, 10179), (1885, 9801), (2145, 8613), (2349, 7865), (2871, 6435), (3267, 5655), (3393, 5445), (3509, 5265), (3861, 4785), (3915, 4719), (4147, 4455)]