18541688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4483}}^1$

素因数の和:4547

約数の個数: 32

約数和(自身を含む): 38741760

約数和(自身を除く): 20200072

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 4483, 8966, 17932, 35864, 49313, 98626, 197252, 210701, 394504, 421402, 842804, 1685608, 2317711, 4635422, 9270844, 18541688]

約数ペア:

[(1, 18541688), (2, 9270844), (4, 4635422), (8, 2317711), (11, 1685608), (22, 842804), (44, 421402), (47, 394504), (88, 210701), (94, 197252), (188, 98626), (376, 49313), (517, 35864), (1034, 17932), (2068, 8966), (4136, 4483)]