18900328

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4483}}^1$

素因数の和:4537

約数の個数: 32

約数和(自身を含む): 38741760

約数和(自身を除く): 19841432

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4483, 8966, 17932, 35864, 76211, 138973, 152422, 277946, 304844, 555892, 609688, 1111784, 2362541, 4725082, 9450164, 18900328]

約数ペア:

[(1, 18900328), (2, 9450164), (4, 4725082), (8, 2362541), (17, 1111784), (31, 609688), (34, 555892), (62, 304844), (68, 277946), (124, 152422), (136, 138973), (248, 76211), (527, 35864), (1054, 17932), (2108, 8966), (4216, 4483)]