19923768

素因数分解:

$2^3\times 3^2\times {\mathrm{167}}^1\times {\mathrm{1657}}^1$

素因数の和:1836

約数の個数: 48

約数和(自身を含む): 54316080

約数和(自身を除く): 34392312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 167, 334, 501, 668, 1002, 1336, 1503, 1657, 2004, 3006, 3314, 4008, 4971, 6012, 6628, 9942, 12024, 13256, 14913, 19884, 29826, 39768, 59652, 119304, 276719, 553438, 830157, 1106876, 1660314, 2213752, 2490471, 3320628, 4980942, 6641256, 9961884, 19923768]

約数ペア:

[(1, 19923768), (2, 9961884), (3, 6641256), (4, 4980942), (6, 3320628), (8, 2490471), (9, 2213752), (12, 1660314), (18, 1106876), (24, 830157), (36, 553438), (72, 276719), (167, 119304), (334, 59652), (501, 39768), (668, 29826), (1002, 19884), (1336, 14913), (1503, 13256), (1657, 12024), (2004, 9942), (3006, 6628), (3314, 6012), (4008, 4971)]