18587030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 23714410

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 101, 110, 154, 202, 239, 385, 478, 505, 707, 770, 1010, 1111, 1195, 1414, 1673, 2222, 2390, 2629, 3346, 3535, 5258, 5555, 7070, 7777, 8365, 11110, 13145, 15554, 16730, 18403, 24139, 26290, 36806, 38885, 48278, 77770, 92015, 120695, 168973, 184030, 241390, 265529, 337946, 531058, 844865, 1327645, 1689730, 1858703, 2655290, 3717406, 9293515, 18587030]

約数ペア:

[(1, 18587030), (2, 9293515), (5, 3717406), (7, 2655290), (10, 1858703), (11, 1689730), (14, 1327645), (22, 844865), (35, 531058), (55, 337946), (70, 265529), (77, 241390), (101, 184030), (110, 168973), (154, 120695), (202, 92015), (239, 77770), (385, 48278), (478, 38885), (505, 36806), (707, 26290), (770, 24139), (1010, 18403), (1111, 16730), (1195, 15554), (1414, 13145), (1673, 11110), (2222, 8365), (2390, 7777), (2629, 7070), (3346, 5555), (3535, 5258)]