18317745

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1507

約数の個数: 40

約数和(自身を含む): 33918720

約数和(自身を除く): 15600975

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 1459, 2511, 4185, 4377, 7295, 12555, 13131, 21885, 39393, 45229, 65655, 118179, 135687, 196965, 226145, 407061, 590895, 678435, 1221183, 2035305, 3663549, 6105915, 18317745]

約数ペア:

[(1, 18317745), (3, 6105915), (5, 3663549), (9, 2035305), (15, 1221183), (27, 678435), (31, 590895), (45, 407061), (81, 226145), (93, 196965), (135, 135687), (155, 118179), (279, 65655), (405, 45229), (465, 39393), (837, 21885), (1395, 13131), (1459, 12555), (2511, 7295), (4185, 4377)]