25920218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 43683840

約数和(自身を除く): 17763622

約数列:

[1, 2, 19, 23, 38, 46, 47, 94, 437, 631, 874, 893, 1081, 1262, 1786, 2162, 11989, 14513, 20539, 23978, 29026, 29657, 41078, 59314, 275747, 551494, 563483, 682111, 1126966, 1364222, 12960109, 25920218]

約数ペア:

[(1, 25920218), (2, 12960109), (19, 1364222), (23, 1126966), (38, 682111), (46, 563483), (47, 551494), (94, 275747), (437, 59314), (631, 41078), (874, 29657), (893, 29026), (1081, 23978), (1262, 20539), (1786, 14513), (2162, 11989)]