18260116

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 38241280

約数和(自身を除く): 19981164

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 109, 124, 193, 217, 218, 386, 434, 436, 763, 772, 868, 1351, 1526, 2702, 3052, 3379, 5404, 5983, 6758, 11966, 13516, 21037, 23653, 23932, 41881, 42074, 47306, 83762, 84148, 94612, 147259, 167524, 294518, 589036, 652147, 1304294, 2608588, 4565029, 9130058, 18260116]

約数ペア:

[(1, 18260116), (2, 9130058), (4, 4565029), (7, 2608588), (14, 1304294), (28, 652147), (31, 589036), (62, 294518), (109, 167524), (124, 147259), (193, 94612), (217, 84148), (218, 83762), (386, 47306), (434, 42074), (436, 41881), (763, 23932), (772, 23653), (868, 21037), (1351, 13516), (1526, 11966), (2702, 6758), (3052, 5983), (3379, 5404)]