19981842

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1978

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 21930798

約数列:

[1, 2, 3, 6, 41, 43, 82, 86, 123, 129, 246, 258, 1763, 1889, 3526, 3778, 5289, 5667, 10578, 11334, 77449, 81227, 154898, 162454, 232347, 243681, 464694, 487362, 3330307, 6660614, 9990921, 19981842]

約数ペア:

[(1, 19981842), (2, 9990921), (3, 6660614), (6, 3330307), (41, 487362), (43, 464694), (82, 243681), (86, 232347), (123, 162454), (129, 154898), (246, 81227), (258, 77449), (1763, 11334), (1889, 10578), (3526, 5667), (3778, 5289)]