19215284

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:129

約数の個数: 54

約数和(自身を含む): 39297510

約数和(自身を除く): 20082226

約数列:

[1, 2, 4, 11, 22, 29, 37, 44, 58, 74, 116, 121, 148, 242, 319, 407, 484, 638, 814, 1073, 1276, 1369, 1628, 2146, 2738, 3509, 4292, 4477, 5476, 7018, 8954, 11803, 14036, 15059, 17908, 23606, 30118, 39701, 47212, 60236, 79402, 129833, 158804, 165649, 259666, 331298, 436711, 519332, 662596, 873422, 1746844, 4803821, 9607642, 19215284]

約数ペア:

[(1, 19215284), (2, 9607642), (4, 4803821), (11, 1746844), (22, 873422), (29, 662596), (37, 519332), (44, 436711), (58, 331298), (74, 259666), (116, 165649), (121, 158804), (148, 129833), (242, 79402), (319, 60236), (407, 47212), (484, 39701), (638, 30118), (814, 23606), (1073, 17908), (1276, 15059), (1369, 14036), (1628, 11803), (2146, 8954), (2738, 7018), (3509, 5476), (4292, 4477)]