19759280

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{673}}^1$

素因数の和:1053

約数の個数: 40

約数和(自身を含む): 46133952

約数和(自身を除く): 26374672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 673, 734, 1346, 1468, 1835, 2692, 2936, 3365, 3670, 5384, 5872, 6730, 7340, 10768, 13460, 14680, 26920, 29360, 53840, 246991, 493982, 987964, 1234955, 1975928, 2469910, 3951856, 4939820, 9879640, 19759280]

約数ペア:

[(1, 19759280), (2, 9879640), (4, 4939820), (5, 3951856), (8, 2469910), (10, 1975928), (16, 1234955), (20, 987964), (40, 493982), (80, 246991), (367, 53840), (673, 29360), (734, 26920), (1346, 14680), (1468, 13460), (1835, 10768), (2692, 7340), (2936, 6730), (3365, 5872), (3670, 5384)]