18434925

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 34997760

約数和(自身を除く): 16562835

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 675, 775, 837, 881, 1395, 2325, 2643, 4185, 4405, 6975, 7929, 13215, 20925, 22025, 23787, 27311, 39645, 66075, 81933, 118935, 136555, 198225, 245799, 409665, 594675, 682775, 737397, 1228995, 2048325, 3686985, 6144975, 18434925]

約数ペア:

[(1, 18434925), (3, 6144975), (5, 3686985), (9, 2048325), (15, 1228995), (25, 737397), (27, 682775), (31, 594675), (45, 409665), (75, 245799), (93, 198225), (135, 136555), (155, 118935), (225, 81933), (279, 66075), (465, 39645), (675, 27311), (775, 23787), (837, 22025), (881, 20925), (1395, 13215), (2325, 7929), (2643, 6975), (4185, 4405)]