18140486

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 35335440

約数和(自身を除く): 17194954

約数列:

[1, 2, 7, 13, 14, 26, 29, 49, 58, 91, 98, 182, 203, 377, 406, 491, 637, 754, 982, 1274, 1421, 2639, 2842, 3437, 5278, 6383, 6874, 12766, 14239, 18473, 24059, 28478, 36946, 44681, 48118, 89362, 99673, 185107, 199346, 312767, 370214, 625534, 697711, 1295749, 1395422, 2591498, 9070243, 18140486]

約数ペア:

[(1, 18140486), (2, 9070243), (7, 2591498), (13, 1395422), (14, 1295749), (26, 697711), (29, 625534), (49, 370214), (58, 312767), (91, 199346), (98, 185107), (182, 99673), (203, 89362), (377, 48118), (406, 44681), (491, 36946), (637, 28478), (754, 24059), (982, 18473), (1274, 14239), (1421, 12766), (2639, 6874), (2842, 6383), (3437, 5278)]