19729490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2677}}^1$

素因数の和:2762

約数の個数: 32

約数和(自身を含む): 39334464

約数和(自身を除く): 19604974

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 134, 335, 670, 737, 1474, 2677, 3685, 5354, 7370, 13385, 26770, 29447, 58894, 147235, 179359, 294470, 358718, 896795, 1793590, 1972949, 3945898, 9864745, 19729490]

約数ペア:

[(1, 19729490), (2, 9864745), (5, 3945898), (10, 1972949), (11, 1793590), (22, 896795), (55, 358718), (67, 294470), (110, 179359), (134, 147235), (335, 58894), (670, 29447), (737, 26770), (1474, 13385), (2677, 7370), (3685, 5354)]