18038538

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{15907}}^1$

素因数の和:15928

約数の個数: 40

約数和(自身を含む): 46196832

約数和(自身を除く): 28158294

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 15907, 31814, 47721, 95442, 111349, 143163, 222698, 286326, 334047, 429489, 668094, 858978, 1002141, 1288467, 2004282, 2576934, 3006423, 6012846, 9019269, 18038538]

約数ペア:

[(1, 18038538), (2, 9019269), (3, 6012846), (6, 3006423), (7, 2576934), (9, 2004282), (14, 1288467), (18, 1002141), (21, 858978), (27, 668094), (42, 429489), (54, 334047), (63, 286326), (81, 222698), (126, 143163), (162, 111349), (189, 95442), (378, 47721), (567, 31814), (1134, 15907)]