18891418

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4513}}^1$

素因数の和:4558

約数の個数: 32

約数和(自身を含む): 36400896

約数和(自身を除く): 17509478

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 4513, 9026, 31591, 58669, 63182, 103799, 117338, 207598, 410683, 726593, 821366, 1349387, 1453186, 2698774, 9445709, 18891418]

約数ペア:

[(1, 18891418), (2, 9445709), (7, 2698774), (13, 1453186), (14, 1349387), (23, 821366), (26, 726593), (46, 410683), (91, 207598), (161, 117338), (182, 103799), (299, 63182), (322, 58669), (598, 31591), (2093, 9026), (4186, 4513)]