19816924

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1091}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 36691200

約数和(自身を除く): 16874276

約数列:

[1, 2, 4, 19, 38, 76, 239, 478, 956, 1091, 2182, 4364, 4541, 9082, 18164, 20729, 41458, 82916, 260749, 521498, 1042996, 4954231, 9908462, 19816924]

約数ペア:

[(1, 19816924), (2, 9908462), (4, 4954231), (19, 1042996), (38, 521498), (76, 260749), (239, 82916), (478, 41458), (956, 20729), (1091, 18164), (2182, 9082), (4364, 4541)]