18628818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{991}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 40330752

約数和(自身を除く): 21701934

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 241, 482, 723, 991, 1446, 1982, 2973, 3133, 5946, 6266, 9399, 12883, 18798, 25766, 38649, 77298, 238831, 477662, 716493, 1432986, 3104803, 6209606, 9314409, 18628818]

約数ペア:

[(1, 18628818), (2, 9314409), (3, 6209606), (6, 3104803), (13, 1432986), (26, 716493), (39, 477662), (78, 238831), (241, 77298), (482, 38649), (723, 25766), (991, 18798), (1446, 12883), (1982, 9399), (2973, 6266), (3133, 5946)]