18759790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1019}}^1$

素因数の和:1296

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 20016530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1019, 1315, 1841, 2038, 2630, 3682, 5095, 7133, 9205, 10190, 14266, 18410, 35665, 71330, 267997, 535994, 1339985, 1875979, 2679970, 3751958, 9379895, 18759790]

約数ペア:

[(1, 18759790), (2, 9379895), (5, 3751958), (7, 2679970), (10, 1875979), (14, 1339985), (35, 535994), (70, 267997), (263, 71330), (526, 35665), (1019, 18410), (1315, 14266), (1841, 10190), (2038, 9205), (2630, 7133), (3682, 5095)]