18660016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2213}}^1$

素因数の和:2269

約数の個数: 40

約数和(自身を含む): 39533184

約数和(自身を除く): 20873168

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2213, 4216, 4426, 8432, 8852, 17704, 35408, 37621, 68603, 75242, 137206, 150484, 274412, 300968, 548824, 601936, 1097648, 1166251, 2332502, 4665004, 9330008, 18660016]

約数ペア:

[(1, 18660016), (2, 9330008), (4, 4665004), (8, 2332502), (16, 1166251), (17, 1097648), (31, 601936), (34, 548824), (62, 300968), (68, 274412), (124, 150484), (136, 137206), (248, 75242), (272, 68603), (496, 37621), (527, 35408), (1054, 17704), (2108, 8852), (2213, 8432), (4216, 4426)]