18438428

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{617}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 33500544

約数和(自身を除く): 15062116

約数列:

[1, 2, 4, 31, 62, 124, 241, 482, 617, 964, 1234, 2468, 7471, 14942, 19127, 29884, 38254, 76508, 148697, 297394, 594788, 4609607, 9219214, 18438428]

約数ペア:

[(1, 18438428), (2, 9219214), (4, 4609607), (31, 594788), (62, 297394), (124, 148697), (241, 76508), (482, 38254), (617, 29884), (964, 19127), (1234, 14942), (2468, 7471)]