18726474

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{587}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 40501440

約数和(自身を除く): 21774966

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 409, 587, 818, 1174, 1227, 1761, 2454, 3522, 5317, 7631, 10634, 15262, 15951, 22893, 31902, 45786, 240083, 480166, 720249, 1440498, 3121079, 6242158, 9363237, 18726474]

約数ペア:

[(1, 18726474), (2, 9363237), (3, 6242158), (6, 3121079), (13, 1440498), (26, 720249), (39, 480166), (78, 240083), (409, 45786), (587, 31902), (818, 22893), (1174, 15951), (1227, 15262), (1761, 10634), (2454, 7631), (3522, 5317)]