19164726

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1709}}^1$

素因数の和:1813

約数の個数: 48

約数和(自身を含む): 48016800

約数和(自身を除く): 28852074

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 89, 126, 178, 267, 534, 623, 801, 1246, 1602, 1709, 1869, 3418, 3738, 5127, 5607, 10254, 11214, 11963, 15381, 23926, 30762, 35889, 71778, 107667, 152101, 215334, 304202, 456303, 912606, 1064707, 1368909, 2129414, 2737818, 3194121, 6388242, 9582363, 19164726]

約数ペア:

[(1, 19164726), (2, 9582363), (3, 6388242), (6, 3194121), (7, 2737818), (9, 2129414), (14, 1368909), (18, 1064707), (21, 912606), (42, 456303), (63, 304202), (89, 215334), (126, 152101), (178, 107667), (267, 71778), (534, 35889), (623, 30762), (801, 23926), (1246, 15381), (1602, 11963), (1709, 11214), (1869, 10254), (3418, 5607), (3738, 5127)]