18629890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 34966080

約数和(自身を除く): 16336190

約数列:

[1, 2, 5, 10, 29, 58, 145, 227, 283, 290, 454, 566, 1135, 1415, 2270, 2830, 6583, 8207, 13166, 16414, 32915, 41035, 64241, 65830, 82070, 128482, 321205, 642410, 1862989, 3725978, 9314945, 18629890]

約数ペア:

[(1, 18629890), (2, 9314945), (5, 3725978), (10, 1862989), (29, 642410), (58, 321205), (145, 128482), (227, 82070), (283, 65830), (290, 64241), (454, 41035), (566, 32915), (1135, 16414), (1415, 13166), (2270, 8207), (2830, 6583)]