18707910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47969}}^1$

素因数の和:47992

約数の個数: 32

約数和(自身を含む): 48353760

約数和(自身を除く): 29645850

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 47969, 95938, 143907, 239845, 287814, 479690, 623597, 719535, 1247194, 1439070, 1870791, 3117985, 3741582, 6235970, 9353955, 18707910]

約数ペア:

[(1, 18707910), (2, 9353955), (3, 6235970), (5, 3741582), (6, 3117985), (10, 1870791), (13, 1439070), (15, 1247194), (26, 719535), (30, 623597), (39, 479690), (65, 287814), (78, 239845), (130, 143907), (195, 95938), (390, 47969)]