19463950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 40461696

約数和(自身を除く): 20997746

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 215, 275, 430, 473, 550, 823, 946, 1075, 1646, 2150, 2365, 4115, 4730, 8230, 9053, 11825, 18106, 20575, 23650, 35389, 41150, 45265, 70778, 90530, 176945, 226325, 353890, 389279, 452650, 778558, 884725, 1769450, 1946395, 3892790, 9731975, 19463950]

約数ペア:

[(1, 19463950), (2, 9731975), (5, 3892790), (10, 1946395), (11, 1769450), (22, 884725), (25, 778558), (43, 452650), (50, 389279), (55, 353890), (86, 226325), (110, 176945), (215, 90530), (275, 70778), (430, 45265), (473, 41150), (550, 35389), (823, 23650), (946, 20575), (1075, 18106), (1646, 11825), (2150, 9053), (2365, 8230), (4115, 4730)]