18793996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4951}}^1$

素因数の和:5041

約数の個数: 24

約数和(自身を含む): 35911904

約数和(自身を除く): 17117908

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 4951, 9902, 19804, 64363, 128726, 257452, 361423, 722846, 1445692, 4698499, 9396998, 18793996]

約数ペア:

[(1, 18793996), (2, 9396998), (4, 4698499), (13, 1445692), (26, 722846), (52, 361423), (73, 257452), (146, 128726), (292, 64363), (949, 19804), (1898, 9902), (3796, 4951)]