19791870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1193}}^1$

素因数の和:1289

約数の個数: 64

約数和(自身を含む): 55019520

約数和(自身を除く): 35227650

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 158, 210, 237, 395, 474, 553, 790, 1106, 1185, 1193, 1659, 2370, 2386, 2765, 3318, 3579, 5530, 5965, 7158, 8295, 8351, 11930, 16590, 16702, 17895, 25053, 35790, 41755, 50106, 83510, 94247, 125265, 188494, 250530, 282741, 471235, 565482, 659729, 942470, 1319458, 1413705, 1979187, 2827410, 3298645, 3958374, 6597290, 9895935, 19791870]

約数ペア:

[(1, 19791870), (2, 9895935), (3, 6597290), (5, 3958374), (6, 3298645), (7, 2827410), (10, 1979187), (14, 1413705), (15, 1319458), (21, 942470), (30, 659729), (35, 565482), (42, 471235), (70, 282741), (79, 250530), (105, 188494), (158, 125265), (210, 94247), (237, 83510), (395, 50106), (474, 41755), (553, 35790), (790, 25053), (1106, 17895), (1185, 16702), (1193, 16590), (1659, 11930), (2370, 8351), (2386, 8295), (2765, 7158), (3318, 5965), (3579, 5530)]