19120160

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1637}}^1$

素因数の和:1725

約数の個数: 48

約数和(自身を含む): 45818136

約数和(自身を除く): 26697976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 1637, 2336, 2920, 3274, 5840, 6548, 8185, 11680, 13096, 16370, 26192, 32740, 52384, 65480, 119501, 130960, 239002, 261920, 478004, 597505, 956008, 1195010, 1912016, 2390020, 3824032, 4780040, 9560080, 19120160]

約数ペア:

[(1, 19120160), (2, 9560080), (4, 4780040), (5, 3824032), (8, 2390020), (10, 1912016), (16, 1195010), (20, 956008), (32, 597505), (40, 478004), (73, 261920), (80, 239002), (146, 130960), (160, 119501), (292, 65480), (365, 52384), (584, 32740), (730, 26192), (1168, 16370), (1460, 13096), (1637, 11680), (2336, 8185), (2920, 6548), (3274, 5840)]