18033040

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{523}}^1$

素因数の和:967

約数の個数: 40

約数和(自身を含む): 42104448

約数和(自身を除く): 24071408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 523, 862, 1046, 1724, 2092, 2155, 2615, 3448, 4184, 4310, 5230, 6896, 8368, 8620, 10460, 17240, 20920, 34480, 41840, 225413, 450826, 901652, 1127065, 1803304, 2254130, 3606608, 4508260, 9016520, 18033040]

約数ペア:

[(1, 18033040), (2, 9016520), (4, 4508260), (5, 3606608), (8, 2254130), (10, 1803304), (16, 1127065), (20, 901652), (40, 450826), (80, 225413), (431, 41840), (523, 34480), (862, 20920), (1046, 17240), (1724, 10460), (2092, 8620), (2155, 8368), (2615, 6896), (3448, 5230), (4184, 4310)]