18138224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 40830720

約数和(自身を除く): 22692496

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 31, 52, 58, 62, 97, 104, 116, 124, 194, 208, 232, 248, 377, 388, 403, 464, 496, 754, 776, 806, 899, 1261, 1508, 1552, 1612, 1798, 2522, 2813, 3007, 3016, 3224, 3596, 5044, 5626, 6014, 6032, 6448, 7192, 10088, 11252, 11687, 12028, 14384, 20176, 22504, 23374, 24056, 36569, 39091, 45008, 46748, 48112, 73138, 78182, 87203, 93496, 146276, 156364, 174406, 186992, 292552, 312728, 348812, 585104, 625456, 697624, 1133639, 1395248, 2267278, 4534556, 9069112, 18138224]

約数ペア:

[(1, 18138224), (2, 9069112), (4, 4534556), (8, 2267278), (13, 1395248), (16, 1133639), (26, 697624), (29, 625456), (31, 585104), (52, 348812), (58, 312728), (62, 292552), (97, 186992), (104, 174406), (116, 156364), (124, 146276), (194, 93496), (208, 87203), (232, 78182), (248, 73138), (377, 48112), (388, 46748), (403, 45008), (464, 39091), (496, 36569), (754, 24056), (776, 23374), (806, 22504), (899, 20176), (1261, 14384), (1508, 12028), (1552, 11687), (1612, 11252), (1798, 10088), (2522, 7192), (2813, 6448), (3007, 6032), (3016, 6014), (3224, 5626), (3596, 5044)]