20182919575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{2699}}^1$

素因数の和:2921

約数の個数: 96

約数和(自身を含む): 32622912000

約数和(自身を除く): 12439992425

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 133, 173, 175, 247, 325, 455, 475, 665, 865, 1211, 1235, 1729, 2249, 2275, 2699, 3287, 3325, 4325, 6055, 6175, 8645, 11245, 13495, 15743, 16435, 18893, 23009, 30275, 35087, 42731, 43225, 51281, 56225, 67475, 78715, 82175, 94465, 115045, 175435, 213655, 245609, 256405, 299117, 358967, 393575, 466927, 472325, 575225, 666653, 877175, 1068275, 1228045, 1282025, 1495585, 1794835, 2334635, 3268489, 3333265, 4666571, 6070051, 6140225, 7477925, 8871613, 8974175, 11673175, 16342445, 16666325, 23332855, 30350255, 42490357, 44358065, 62101291, 81712225, 115330969, 116664275, 151751275, 212451785, 221790325, 310506455, 576654845, 807316783, 1062258925, 1552532275, 2883274225, 4036583915, 20182919575]

約数ペア:

[(1, 20182919575), (5, 4036583915), (7, 2883274225), (13, 1552532275), (19, 1062258925), (25, 807316783), (35, 576654845), (65, 310506455), (91, 221790325), (95, 212451785), (133, 151751275), (173, 116664275), (175, 115330969), (247, 81712225), (325, 62101291), (455, 44358065), (475, 42490357), (665, 30350255), (865, 23332855), (1211, 16666325), (1235, 16342445), (1729, 11673175), (2249, 8974175), (2275, 8871613), (2699, 7477925), (3287, 6140225), (3325, 6070051), (4325, 4666571), (6055, 3333265), (6175, 3268489), (8645, 2334635), (11245, 1794835), (13495, 1495585), (15743, 1282025), (16435, 1228045), (18893, 1068275), (23009, 877175), (30275, 666653), (35087, 575225), (42731, 472325), (43225, 466927), (51281, 393575), (56225, 358967), (67475, 299117), (78715, 256405), (82175, 245609), (94465, 213655), (115045, 175435)]