18254830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{631}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 36039168

約数和(自身を除く): 17784338

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 263, 526, 631, 1262, 1315, 2630, 2893, 3155, 5786, 6310, 6941, 13882, 14465, 28930, 34705, 69410, 165953, 331906, 829765, 1659530, 1825483, 3650966, 9127415, 18254830]

約数ペア:

[(1, 18254830), (2, 9127415), (5, 3650966), (10, 1825483), (11, 1659530), (22, 829765), (55, 331906), (110, 165953), (263, 69410), (526, 34705), (631, 28930), (1262, 14465), (1315, 13882), (2630, 6941), (2893, 6310), (3155, 5786)]