19849980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7039}}^1$

素因数の和:7098

約数の個数: 48

約数和(自身を含む): 56770560

約数和(自身を除く): 36920580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7039, 14078, 21117, 28156, 35195, 42234, 70390, 84468, 105585, 140780, 211170, 330833, 422340, 661666, 992499, 1323332, 1654165, 1984998, 3308330, 3969996, 4962495, 6616660, 9924990, 19849980]

約数ペア:

[(1, 19849980), (2, 9924990), (3, 6616660), (4, 4962495), (5, 3969996), (6, 3308330), (10, 1984998), (12, 1654165), (15, 1323332), (20, 992499), (30, 661666), (47, 422340), (60, 330833), (94, 211170), (141, 140780), (188, 105585), (235, 84468), (282, 70390), (470, 42234), (564, 35195), (705, 28156), (940, 21117), (1410, 14078), (2820, 7039)]