18506856

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 48153600

約数和(自身を除く): 29646744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 79, 86, 129, 158, 172, 227, 237, 258, 316, 344, 454, 474, 516, 632, 681, 908, 948, 1032, 1362, 1816, 1896, 2724, 3397, 5448, 6794, 9761, 10191, 13588, 17933, 19522, 20382, 27176, 29283, 35866, 39044, 40764, 53799, 58566, 71732, 78088, 81528, 107598, 117132, 143464, 215196, 234264, 430392, 771119, 1542238, 2313357, 3084476, 4626714, 6168952, 9253428, 18506856]

約数ペア:

[(1, 18506856), (2, 9253428), (3, 6168952), (4, 4626714), (6, 3084476), (8, 2313357), (12, 1542238), (24, 771119), (43, 430392), (79, 234264), (86, 215196), (129, 143464), (158, 117132), (172, 107598), (227, 81528), (237, 78088), (258, 71732), (316, 58566), (344, 53799), (454, 40764), (474, 39044), (516, 35866), (632, 29283), (681, 27176), (908, 20382), (948, 19522), (1032, 17933), (1362, 13588), (1816, 10191), (1896, 9761), (2724, 6794), (3397, 5448)]