19770374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 34728960

約数和(自身を除く): 14958586

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 1178, 1291, 2582, 7657, 15314, 16783, 24529, 33566, 40021, 49058, 80042, 318877, 520273, 637754, 760399, 1040546, 1520798, 9885187, 19770374]

約数ペア:

[(1, 19770374), (2, 9885187), (13, 1520798), (19, 1040546), (26, 760399), (31, 637754), (38, 520273), (62, 318877), (247, 80042), (403, 49058), (494, 40021), (589, 33566), (806, 24529), (1178, 16783), (1291, 15314), (2582, 7657)]