19883367

素因数分解:

$3^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 36480000

約数和(自身を除く): 16596633

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 113, 133, 147, 171, 189, 339, 343, 399, 441, 513, 791, 931, 1017, 1029, 1197, 1323, 2147, 2373, 2793, 3051, 3087, 3591, 5537, 6441, 6517, 7119, 8379, 9261, 15029, 16611, 19323, 19551, 21357, 25137, 38759, 45087, 49833, 57969, 58653, 105203, 116277, 135261, 149499, 175959, 315609, 348831, 405783, 736421, 946827, 1046493, 2209263, 2840481, 6627789, 19883367]

約数ペア:

[(1, 19883367), (3, 6627789), (7, 2840481), (9, 2209263), (19, 1046493), (21, 946827), (27, 736421), (49, 405783), (57, 348831), (63, 315609), (113, 175959), (133, 149499), (147, 135261), (171, 116277), (189, 105203), (339, 58653), (343, 57969), (399, 49833), (441, 45087), (513, 38759), (791, 25137), (931, 21357), (1017, 19551), (1029, 19323), (1197, 16611), (1323, 15029), (2147, 9261), (2373, 8379), (2793, 7119), (3051, 6517), (3087, 6441), (3591, 5537)]