19815722786

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{9901}}^1$

素因数の和:10274

約数の個数: 32

約数和(自身を含む): 30799180800

約数和(自身を除く): 10983458014

約数列:

[1, 2, 53, 79, 106, 158, 239, 478, 4187, 8374, 9901, 12667, 18881, 19802, 25334, 37762, 524753, 782179, 1000693, 1049506, 1564358, 2001386, 2366339, 4732678, 41455487, 82910974, 125415967, 186940781, 250831934, 373881562, 9907861393, 19815722786]

約数ペア:

[(1, 19815722786), (2, 9907861393), (53, 373881562), (79, 250831934), (106, 186940781), (158, 125415967), (239, 82910974), (478, 41455487), (4187, 4732678), (8374, 2366339), (9901, 2001386), (12667, 1564358), (18881, 1049506), (19802, 1000693), (25334, 782179), (37762, 524753)]