18002816

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 39984000

約数和(自身を除く): 21981184

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 349, 403, 416, 496, 698, 806, 832, 992, 1396, 1612, 1664, 1984, 2792, 3224, 3968, 4537, 5584, 6448, 9074, 10819, 11168, 12896, 18148, 21638, 22336, 25792, 36296, 43276, 44672, 51584, 72592, 86552, 140647, 145184, 173104, 281294, 290368, 346208, 562588, 580736, 692416, 1125176, 1384832, 2250352, 4500704, 9001408, 18002816]

約数ペア:

[(1, 18002816), (2, 9001408), (4, 4500704), (8, 2250352), (13, 1384832), (16, 1125176), (26, 692416), (31, 580736), (32, 562588), (52, 346208), (62, 290368), (64, 281294), (104, 173104), (124, 145184), (128, 140647), (208, 86552), (248, 72592), (349, 51584), (403, 44672), (416, 43276), (496, 36296), (698, 25792), (806, 22336), (832, 21638), (992, 18148), (1396, 12896), (1612, 11168), (1664, 10819), (1984, 9074), (2792, 6448), (3224, 5584), (3968, 4537)]