19916748

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{9377}}^1$

素因数の和:9446

約数の個数: 36

約数和(自身を含む): 51203880

約数和(自身を除く): 31287132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 9377, 18754, 28131, 37508, 56262, 84393, 112524, 168786, 337572, 553243, 1106486, 1659729, 2212972, 3319458, 4979187, 6638916, 9958374, 19916748]

約数ペア:

[(1, 19916748), (2, 9958374), (3, 6638916), (4, 4979187), (6, 3319458), (9, 2212972), (12, 1659729), (18, 1106486), (36, 553243), (59, 337572), (118, 168786), (177, 112524), (236, 84393), (354, 56262), (531, 37508), (708, 28131), (1062, 18754), (2124, 9377)]