18300548

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 38648064

約数和(自身を除く): 20347516

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 157, 161, 181, 314, 322, 362, 628, 644, 724, 1099, 1267, 2198, 2534, 3611, 4163, 4396, 5068, 7222, 8326, 14444, 16652, 25277, 28417, 29141, 50554, 56834, 58282, 101108, 113668, 116564, 198919, 397838, 653591, 795676, 1307182, 2614364, 4575137, 9150274, 18300548]

約数ペア:

[(1, 18300548), (2, 9150274), (4, 4575137), (7, 2614364), (14, 1307182), (23, 795676), (28, 653591), (46, 397838), (92, 198919), (157, 116564), (161, 113668), (181, 101108), (314, 58282), (322, 56834), (362, 50554), (628, 29141), (644, 28417), (724, 25277), (1099, 16652), (1267, 14444), (2198, 8326), (2534, 7222), (3611, 5068), (4163, 4396)]