18004376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{743}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 36560160

約数和(自身を除く): 18555784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 233, 466, 743, 932, 1486, 1864, 2972, 3029, 5944, 6058, 9659, 12116, 19318, 24232, 38636, 77272, 173119, 346238, 692476, 1384952, 2250547, 4501094, 9002188, 18004376]

約数ペア:

[(1, 18004376), (2, 9002188), (4, 4501094), (8, 2250547), (13, 1384952), (26, 692476), (52, 346238), (104, 173119), (233, 77272), (466, 38636), (743, 24232), (932, 19318), (1486, 12116), (1864, 9659), (2972, 6058), (3029, 5944)]