19004050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^3\times {\mathrm{173}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 38513160

約数和(自身を除く): 19509110

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 173, 325, 338, 346, 650, 845, 865, 1690, 1730, 2197, 2249, 4225, 4325, 4394, 4498, 8450, 8650, 10985, 11245, 21970, 22490, 29237, 54925, 56225, 58474, 109850, 112450, 146185, 292370, 380081, 730925, 760162, 1461850, 1900405, 3800810, 9502025, 19004050]

約数ペア:

[(1, 19004050), (2, 9502025), (5, 3800810), (10, 1900405), (13, 1461850), (25, 760162), (26, 730925), (50, 380081), (65, 292370), (130, 146185), (169, 112450), (173, 109850), (325, 58474), (338, 56225), (346, 54925), (650, 29237), (845, 22490), (865, 21970), (1690, 11245), (1730, 10985), (2197, 8650), (2249, 8450), (4225, 4498), (4325, 4394)]