18245178

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1627}}^1$

素因数の和:1731

約数の個数: 48

約数和(自身を含む): 45714240

約数和(自身を除く): 27469062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 89, 126, 178, 267, 534, 623, 801, 1246, 1602, 1627, 1869, 3254, 3738, 4881, 5607, 9762, 11214, 11389, 14643, 22778, 29286, 34167, 68334, 102501, 144803, 205002, 289606, 434409, 868818, 1013621, 1303227, 2027242, 2606454, 3040863, 6081726, 9122589, 18245178]

約数ペア:

[(1, 18245178), (2, 9122589), (3, 6081726), (6, 3040863), (7, 2606454), (9, 2027242), (14, 1303227), (18, 1013621), (21, 868818), (42, 434409), (63, 289606), (89, 205002), (126, 144803), (178, 102501), (267, 68334), (534, 34167), (623, 29286), (801, 22778), (1246, 14643), (1602, 11389), (1627, 11214), (1869, 9762), (3254, 5607), (3738, 4881)]