19611160

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1597}}^1$

素因数の和:1915

約数の個数: 32

約数和(自身を含む): 44296560

約数和(自身を除く): 24685400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 1597, 2456, 3070, 3194, 6140, 6388, 7985, 12280, 12776, 15970, 31940, 63880, 490279, 980558, 1961116, 2451395, 3922232, 4902790, 9805580, 19611160]

約数ペア:

[(1, 19611160), (2, 9805580), (4, 4902790), (5, 3922232), (8, 2451395), (10, 1961116), (20, 980558), (40, 490279), (307, 63880), (614, 31940), (1228, 15970), (1535, 12776), (1597, 12280), (2456, 7985), (3070, 6388), (3194, 6140)]