18153440

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4933}}^1$

素因数の和:4971

約数の個数: 48

約数和(自身を含む): 44761248

約数和(自身を除く): 26607808

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, 4933, 9866, 19732, 24665, 39464, 49330, 78928, 98660, 113459, 157856, 197320, 226918, 394640, 453836, 567295, 789280, 907672, 1134590, 1815344, 2269180, 3630688, 4538360, 9076720, 18153440]

約数ペア:

[(1, 18153440), (2, 9076720), (4, 4538360), (5, 3630688), (8, 2269180), (10, 1815344), (16, 1134590), (20, 907672), (23, 789280), (32, 567295), (40, 453836), (46, 394640), (80, 226918), (92, 197320), (115, 157856), (160, 113459), (184, 98660), (230, 78928), (368, 49330), (460, 39464), (736, 24665), (920, 19732), (1840, 9866), (3680, 4933)]