13198540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 29836800

約数和(自身を除く): 16638260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 739, 893, 940, 1478, 1786, 2956, 3572, 3695, 4465, 7390, 8930, 14041, 14780, 17860, 28082, 34733, 56164, 69466, 70205, 138932, 140410, 173665, 280820, 347330, 659927, 694660, 1319854, 2639708, 3299635, 6599270, 13198540]

約数ペア:

[(1, 13198540), (2, 6599270), (4, 3299635), (5, 2639708), (10, 1319854), (19, 694660), (20, 659927), (38, 347330), (47, 280820), (76, 173665), (94, 140410), (95, 138932), (188, 70205), (190, 69466), (235, 56164), (380, 34733), (470, 28082), (739, 17860), (893, 14780), (940, 14041), (1478, 8930), (1786, 7390), (2956, 4465), (3572, 3695)]