18717966

素因数分解:

$2^1\times 3^4\times {\mathrm{227}}^1\times {\mathrm{509}}^1$

素因数の和:750

約数の個数: 40

約数和(自身を含む): 42209640

約数和(自身を除く): 23491674

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 227, 454, 509, 681, 1018, 1362, 1527, 2043, 3054, 4086, 4581, 6129, 9162, 12258, 13743, 18387, 27486, 36774, 41229, 82458, 115543, 231086, 346629, 693258, 1039887, 2079774, 3119661, 6239322, 9358983, 18717966]

約数ペア:

[(1, 18717966), (2, 9358983), (3, 6239322), (6, 3119661), (9, 2079774), (18, 1039887), (27, 693258), (54, 346629), (81, 231086), (162, 115543), (227, 82458), (454, 41229), (509, 36774), (681, 27486), (1018, 18387), (1362, 13743), (1527, 12258), (2043, 9162), (3054, 6129), (4086, 4581)]