19937160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55381}}^1$

素因数の和:55398

約数の個数: 48

約数和(自身を含む): 64796940

約数和(自身を除く): 44859780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55381, 110762, 166143, 221524, 276905, 332286, 443048, 498429, 553810, 664572, 830715, 996858, 1107620, 1329144, 1661430, 1993716, 2215240, 2492145, 3322860, 3987432, 4984290, 6645720, 9968580, 19937160]

約数ペア:

[(1, 19937160), (2, 9968580), (3, 6645720), (4, 4984290), (5, 3987432), (6, 3322860), (8, 2492145), (9, 2215240), (10, 1993716), (12, 1661430), (15, 1329144), (18, 1107620), (20, 996858), (24, 830715), (30, 664572), (36, 553810), (40, 498429), (45, 443048), (60, 332286), (72, 276905), (90, 221524), (120, 166143), (180, 110762), (360, 55381)]