19639650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{311}}^1\times {\mathrm{421}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 48979008

約数和(自身を除く): 29339358

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 311, 421, 622, 842, 933, 1263, 1555, 1866, 2105, 2526, 3110, 4210, 4665, 6315, 7775, 9330, 10525, 12630, 15550, 21050, 23325, 31575, 46650, 63150, 130931, 261862, 392793, 654655, 785586, 1309310, 1963965, 3273275, 3927930, 6546550, 9819825, 19639650]

約数ペア:

[(1, 19639650), (2, 9819825), (3, 6546550), (5, 3927930), (6, 3273275), (10, 1963965), (15, 1309310), (25, 785586), (30, 654655), (50, 392793), (75, 261862), (150, 130931), (311, 63150), (421, 46650), (622, 31575), (842, 23325), (933, 21050), (1263, 15550), (1555, 12630), (1866, 10525), (2105, 9330), (2526, 7775), (3110, 6315), (4210, 4665)]