18366969580

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{349}}^1\times {\mathrm{8461}}^1$

素因数の和:9130

約数の個数: 48

約数和(自身を含む): 38810116800

約数和(自身を除く): 20443147220

約数列:

[1, 2, 4, 5, 10, 20, 311, 349, 622, 698, 1244, 1396, 1555, 1745, 3110, 3490, 6220, 6980, 8461, 16922, 33844, 42305, 84610, 108539, 169220, 217078, 434156, 542695, 1085390, 2170780, 2631371, 2952889, 5262742, 5905778, 10525484, 11811556, 13156855, 14764445, 26313710, 29528890, 52627420, 59057780, 918348479, 1836696958, 3673393916, 4591742395, 9183484790, 18366969580]

約数ペア:

[(1, 18366969580), (2, 9183484790), (4, 4591742395), (5, 3673393916), (10, 1836696958), (20, 918348479), (311, 59057780), (349, 52627420), (622, 29528890), (698, 26313710), (1244, 14764445), (1396, 13156855), (1555, 11811556), (1745, 10525484), (3110, 5905778), (3490, 5262742), (6220, 2952889), (6980, 2631371), (8461, 2170780), (16922, 1085390), (33844, 542695), (42305, 434156), (84610, 217078), (108539, 169220)]