17938160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9749}}^1$

素因数の和:9785

約数の個数: 40

約数和(自身を含む): 43524000

約数和(自身を除く): 25585840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 9749, 19498, 38996, 48745, 77992, 97490, 155984, 194980, 224227, 389960, 448454, 779920, 896908, 1121135, 1793816, 2242270, 3587632, 4484540, 8969080, 17938160]

約数ペア:

[(1, 17938160), (2, 8969080), (4, 4484540), (5, 3587632), (8, 2242270), (10, 1793816), (16, 1121135), (20, 896908), (23, 779920), (40, 448454), (46, 389960), (80, 224227), (92, 194980), (115, 155984), (184, 97490), (230, 77992), (368, 48745), (460, 38996), (920, 19498), (1840, 9749)]