18866370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2447}}^1$

素因数の和:2714

約数の個数: 32

約数和(自身を含む): 45474048

約数和(自身を除く): 26607678

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 257, 514, 771, 1285, 1542, 2447, 2570, 3855, 4894, 7341, 7710, 12235, 14682, 24470, 36705, 73410, 628879, 1257758, 1886637, 3144395, 3773274, 6288790, 9433185, 18866370]

約数ペア:

[(1, 18866370), (2, 9433185), (3, 6288790), (5, 3773274), (6, 3144395), (10, 1886637), (15, 1257758), (30, 628879), (257, 73410), (514, 36705), (771, 24470), (1285, 14682), (1542, 12235), (2447, 7710), (2570, 7341), (3855, 4894)]