18531660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{44123}}^1$

素因数の和:44142

約数の個数: 48

約数和(自身を含む): 59302656

約数和(自身を除く): 40770996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 44123, 88246, 132369, 176492, 220615, 264738, 308861, 441230, 529476, 617722, 661845, 882460, 926583, 1235444, 1323690, 1544305, 1853166, 2647380, 3088610, 3706332, 4632915, 6177220, 9265830, 18531660]

約数ペア:

[(1, 18531660), (2, 9265830), (3, 6177220), (4, 4632915), (5, 3706332), (6, 3088610), (7, 2647380), (10, 1853166), (12, 1544305), (14, 1323690), (15, 1235444), (20, 926583), (21, 882460), (28, 661845), (30, 617722), (35, 529476), (42, 441230), (60, 308861), (70, 264738), (84, 220615), (105, 176492), (140, 132369), (210, 88246), (420, 44123)]