18245456560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9916009}}^1$

素因数の和:9916045

約数の個数: 40

約数和(自身を含む): 44265068640

約数和(自身を除く): 26019612080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 9916009, 19832018, 39664036, 49580045, 79328072, 99160090, 158656144, 198320180, 228068207, 396640360, 456136414, 793280720, 912272828, 1140341035, 1824545656, 2280682070, 3649091312, 4561364140, 9122728280, 18245456560]

約数ペア:

[(1, 18245456560), (2, 9122728280), (4, 4561364140), (5, 3649091312), (8, 2280682070), (10, 1824545656), (16, 1140341035), (20, 912272828), (23, 793280720), (40, 456136414), (46, 396640360), (80, 228068207), (92, 198320180), (115, 158656144), (184, 99160090), (230, 79328072), (368, 49580045), (460, 39664036), (920, 19832018), (1840, 9916009)]