18924820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 41811840

約数和(自身を除く): 22887020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 335, 487, 580, 670, 974, 1340, 1943, 1948, 2435, 3886, 4870, 7772, 9715, 9740, 14123, 19430, 28246, 32629, 38860, 56492, 65258, 70615, 130516, 141230, 163145, 282460, 326290, 652580, 946241, 1892482, 3784964, 4731205, 9462410, 18924820]

約数ペア:

[(1, 18924820), (2, 9462410), (4, 4731205), (5, 3784964), (10, 1892482), (20, 946241), (29, 652580), (58, 326290), (67, 282460), (116, 163145), (134, 141230), (145, 130516), (268, 70615), (290, 65258), (335, 56492), (487, 38860), (580, 32629), (670, 28246), (974, 19430), (1340, 14123), (1943, 9740), (1948, 9715), (2435, 7772), (3886, 4870)]