19774950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10141}}^1$

素因数の和:10169

約数の個数: 48

約数和(自身を含む): 52819536

約数和(自身を除く): 33044586

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10141, 20282, 30423, 50705, 60846, 101410, 131833, 152115, 253525, 263666, 304230, 395499, 507050, 659165, 760575, 790998, 1318330, 1521150, 1977495, 3295825, 3954990, 6591650, 9887475, 19774950]

約数ペア:

[(1, 19774950), (2, 9887475), (3, 6591650), (5, 3954990), (6, 3295825), (10, 1977495), (13, 1521150), (15, 1318330), (25, 790998), (26, 760575), (30, 659165), (39, 507050), (50, 395499), (65, 304230), (75, 263666), (78, 253525), (130, 152115), (150, 131833), (195, 101410), (325, 60846), (390, 50705), (650, 30423), (975, 20282), (1950, 10141)]