18491445

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 37440000

約数和(自身を除く): 18948555

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1249, 1645, 2115, 2961, 3747, 4935, 6245, 8743, 11241, 14805, 18735, 26229, 43715, 56205, 58703, 78687, 131145, 176109, 293515, 393435, 410921, 528327, 880545, 1232763, 2054605, 2641635, 3698289, 6163815, 18491445]

約数ペア:

[(1, 18491445), (3, 6163815), (5, 3698289), (7, 2641635), (9, 2054605), (15, 1232763), (21, 880545), (35, 528327), (45, 410921), (47, 393435), (63, 293515), (105, 176109), (141, 131145), (235, 78687), (315, 58703), (329, 56205), (423, 43715), (705, 26229), (987, 18735), (1249, 14805), (1645, 11241), (2115, 8743), (2961, 6245), (3747, 4935)]