18433120

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5009}}^1$

素因数の和:5047

約数の個数: 48

約数和(自身を含む): 45450720

約数和(自身を除く): 27017600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5009, 10018, 20036, 25045, 40072, 50090, 80144, 100180, 115207, 160288, 200360, 230414, 400720, 460828, 576035, 801440, 921656, 1152070, 1843312, 2304140, 3686624, 4608280, 9216560, 18433120]

約数ペア:

[(1, 18433120), (2, 9216560), (4, 4608280), (5, 3686624), (8, 2304140), (10, 1843312), (16, 1152070), (20, 921656), (23, 801440), (32, 576035), (40, 460828), (46, 400720), (80, 230414), (92, 200360), (115, 160288), (160, 115207), (184, 100180), (230, 80144), (368, 50090), (460, 40072), (736, 25045), (920, 20036), (1840, 10018), (3680, 5009)]