18448040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2729}}^1$

素因数の和:2766

約数の個数: 48

約数和(自身を含む): 44963100

約数和(自身を除く): 26515060

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2729, 3380, 5458, 6760, 10916, 13645, 21832, 27290, 35477, 54580, 70954, 109160, 141908, 177385, 283816, 354770, 461201, 709540, 922402, 1419080, 1844804, 2306005, 3689608, 4612010, 9224020, 18448040]

約数ペア:

[(1, 18448040), (2, 9224020), (4, 4612010), (5, 3689608), (8, 2306005), (10, 1844804), (13, 1419080), (20, 922402), (26, 709540), (40, 461201), (52, 354770), (65, 283816), (104, 177385), (130, 141908), (169, 109160), (260, 70954), (338, 54580), (520, 35477), (676, 27290), (845, 21832), (1352, 13645), (1690, 10916), (2729, 6760), (3380, 5458)]