19981844

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1613}}^1$

素因数の和:1799

約数の個数: 24

約数和(自身を含む): 37057440

約数和(自身を除く): 17075596

約数列:

[1, 2, 4, 19, 38, 76, 163, 326, 652, 1613, 3097, 3226, 6194, 6452, 12388, 30647, 61294, 122588, 262919, 525838, 1051676, 4995461, 9990922, 19981844]

約数ペア:

[(1, 19981844), (2, 9990922), (4, 4995461), (19, 1051676), (38, 525838), (76, 262919), (163, 122588), (326, 61294), (652, 30647), (1613, 12388), (3097, 6452), (3226, 6194)]