18960110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{863}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 18053650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 863, 1690, 1726, 2197, 4315, 4394, 8630, 10985, 11219, 21970, 22438, 56095, 112190, 145847, 291694, 729235, 1458470, 1896011, 3792022, 9480055, 18960110]

約数ペア:

[(1, 18960110), (2, 9480055), (5, 3792022), (10, 1896011), (13, 1458470), (26, 729235), (65, 291694), (130, 145847), (169, 112190), (338, 56095), (845, 22438), (863, 21970), (1690, 11219), (1726, 10985), (2197, 8630), (4315, 4394)]