19231718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 32873472

約数和(自身を除く): 13641754

約数列:

[1, 2, 11, 22, 31, 62, 163, 173, 326, 341, 346, 682, 1793, 1903, 3586, 3806, 5053, 5363, 10106, 10726, 28199, 55583, 56398, 58993, 111166, 117986, 310189, 620378, 874169, 1748338, 9615859, 19231718]

約数ペア:

[(1, 19231718), (2, 9615859), (11, 1748338), (22, 874169), (31, 620378), (62, 310189), (163, 117986), (173, 111166), (326, 58993), (341, 56398), (346, 55583), (682, 28199), (1793, 10726), (1903, 10106), (3586, 5363), (3806, 5053)]