18203498

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 30051648

約数和(自身を除く): 11848150

約数列:

[1, 2, 17, 34, 61, 67, 122, 131, 134, 262, 1037, 1139, 2074, 2227, 2278, 4087, 4454, 7991, 8174, 8777, 15982, 17554, 69479, 135847, 138958, 149209, 271694, 298418, 535397, 1070794, 9101749, 18203498]

約数ペア:

[(1, 18203498), (2, 9101749), (17, 1070794), (34, 535397), (61, 298418), (67, 271694), (122, 149209), (131, 138958), (134, 135847), (262, 69479), (1037, 17554), (1139, 15982), (2074, 8777), (2227, 8174), (2278, 7991), (4087, 4454)]