18469438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 31179456

約数和(自身を除く): 12710018

約数列:

[1, 2, 13, 26, 37, 73, 74, 146, 263, 481, 526, 949, 962, 1898, 2701, 3419, 5402, 6838, 9731, 19199, 19462, 35113, 38398, 70226, 126503, 249587, 253006, 499174, 710363, 1420726, 9234719, 18469438]

約数ペア:

[(1, 18469438), (2, 9234719), (13, 1420726), (26, 710363), (37, 499174), (73, 253006), (74, 249587), (146, 126503), (263, 70226), (481, 38398), (526, 35113), (949, 19462), (962, 19199), (1898, 9731), (2701, 6838), (3419, 5402)]