16199020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 36610560

約数和(自身を除く): 20411540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 907, 940, 1786, 1814, 3572, 3628, 4465, 4535, 8930, 9070, 17233, 17860, 18140, 34466, 42629, 68932, 85258, 86165, 170516, 172330, 213145, 344660, 426290, 809951, 852580, 1619902, 3239804, 4049755, 8099510, 16199020]

約数ペア:

[(1, 16199020), (2, 8099510), (4, 4049755), (5, 3239804), (10, 1619902), (19, 852580), (20, 809951), (38, 426290), (47, 344660), (76, 213145), (94, 172330), (95, 170516), (188, 86165), (190, 85258), (235, 68932), (380, 42629), (470, 34466), (893, 18140), (907, 17860), (940, 17233), (1786, 9070), (1814, 8930), (3572, 4535), (3628, 4465)]