19669420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 42739200

約数和(自身を除く): 23069780

約数列:

[1, 2, 4, 5, 10, 20, 59, 79, 118, 158, 211, 236, 295, 316, 395, 422, 590, 790, 844, 1055, 1180, 1580, 2110, 4220, 4661, 9322, 12449, 16669, 18644, 23305, 24898, 33338, 46610, 49796, 62245, 66676, 83345, 93220, 124490, 166690, 248980, 333380, 983471, 1966942, 3933884, 4917355, 9834710, 19669420]

約数ペア:

[(1, 19669420), (2, 9834710), (4, 4917355), (5, 3933884), (10, 1966942), (20, 983471), (59, 333380), (79, 248980), (118, 166690), (158, 124490), (211, 93220), (236, 83345), (295, 66676), (316, 62245), (395, 49796), (422, 46610), (590, 33338), (790, 24898), (844, 23305), (1055, 18644), (1180, 16669), (1580, 12449), (2110, 9322), (4220, 4661)]