19920390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3271}}^1$

素因数の和:3317

約数の個数: 64

約数和(自身を含む): 56540160

約数和(自身を除く): 36619770

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 3271, 6090, 6542, 9813, 16355, 19626, 22897, 32710, 45794, 49065, 68691, 94859, 98130, 114485, 137382, 189718, 228970, 284577, 343455, 474295, 569154, 664013, 686910, 948590, 1328026, 1422885, 1992039, 2845770, 3320065, 3984078, 6640130, 9960195, 19920390]

約数ペア:

[(1, 19920390), (2, 9960195), (3, 6640130), (5, 3984078), (6, 3320065), (7, 2845770), (10, 1992039), (14, 1422885), (15, 1328026), (21, 948590), (29, 686910), (30, 664013), (35, 569154), (42, 474295), (58, 343455), (70, 284577), (87, 228970), (105, 189718), (145, 137382), (174, 114485), (203, 98130), (210, 94859), (290, 68691), (406, 49065), (435, 45794), (609, 32710), (870, 22897), (1015, 19626), (1218, 16355), (2030, 9813), (3045, 6542), (3271, 6090)]