19443340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4789}}^1$

素因数の和:4834

約数の個数: 48

約数和(自身を含む): 48283200

約数和(自身を除く): 28839860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 4789, 9578, 19156, 23945, 33523, 47890, 67046, 95780, 134092, 138881, 167615, 277762, 335230, 555524, 670460, 694405, 972167, 1388810, 1944334, 2777620, 3888668, 4860835, 9721670, 19443340]

約数ペア:

[(1, 19443340), (2, 9721670), (4, 4860835), (5, 3888668), (7, 2777620), (10, 1944334), (14, 1388810), (20, 972167), (28, 694405), (29, 670460), (35, 555524), (58, 335230), (70, 277762), (116, 167615), (140, 138881), (145, 134092), (203, 95780), (290, 67046), (406, 47890), (580, 33523), (812, 23945), (1015, 19156), (2030, 9578), (4060, 4789)]