18743396

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 39795840

約数和(自身を除く): 21052444

約数列:

[1, 2, 4, 7, 14, 28, 29, 41, 58, 82, 116, 164, 203, 287, 406, 563, 574, 812, 1126, 1148, 1189, 2252, 2378, 3941, 4756, 7882, 8323, 15764, 16327, 16646, 23083, 32654, 33292, 46166, 65308, 92332, 114289, 161581, 228578, 323162, 457156, 646324, 669407, 1338814, 2677628, 4685849, 9371698, 18743396]

約数ペア:

[(1, 18743396), (2, 9371698), (4, 4685849), (7, 2677628), (14, 1338814), (28, 669407), (29, 646324), (41, 457156), (58, 323162), (82, 228578), (116, 161581), (164, 114289), (203, 92332), (287, 65308), (406, 46166), (563, 33292), (574, 32654), (812, 23083), (1126, 16646), (1148, 16327), (1189, 15764), (2252, 8323), (2378, 7882), (3941, 4756)]