18767252

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 40279680

約数和(自身を除く): 21512428

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 89, 119, 178, 238, 356, 443, 476, 623, 886, 1246, 1513, 1772, 2492, 3026, 3101, 6052, 6202, 7531, 10591, 12404, 15062, 21182, 30124, 39427, 42364, 52717, 78854, 105434, 157708, 210868, 275989, 551978, 670259, 1103956, 1340518, 2681036, 4691813, 9383626, 18767252]

約数ペア:

[(1, 18767252), (2, 9383626), (4, 4691813), (7, 2681036), (14, 1340518), (17, 1103956), (28, 670259), (34, 551978), (68, 275989), (89, 210868), (119, 157708), (178, 105434), (238, 78854), (356, 52717), (443, 42364), (476, 39427), (623, 30124), (886, 21182), (1246, 15062), (1513, 12404), (1772, 10591), (2492, 7531), (3026, 6202), (3101, 6052)]