18163908

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{1471}}^1$

素因数の和:1502

約数の個数: 72

約数和(自身を含む): 53580800

約数和(自身を除く): 35416892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1471, 1764, 2058, 2942, 3087, 4116, 4413, 5884, 6174, 8826, 10297, 12348, 13239, 17652, 20594, 26478, 30891, 41188, 52956, 61782, 72079, 92673, 123564, 144158, 185346, 216237, 288316, 370692, 432474, 504553, 648711, 864948, 1009106, 1297422, 1513659, 2018212, 2594844, 3027318, 4540977, 6054636, 9081954, 18163908]

約数ペア:

[(1, 18163908), (2, 9081954), (3, 6054636), (4, 4540977), (6, 3027318), (7, 2594844), (9, 2018212), (12, 1513659), (14, 1297422), (18, 1009106), (21, 864948), (28, 648711), (36, 504553), (42, 432474), (49, 370692), (63, 288316), (84, 216237), (98, 185346), (126, 144158), (147, 123564), (196, 92673), (252, 72079), (294, 61782), (343, 52956), (441, 41188), (588, 30891), (686, 26478), (882, 20594), (1029, 17652), (1372, 13239), (1471, 12348), (1764, 10297), (2058, 8826), (2942, 6174), (3087, 5884), (4116, 4413)]