18409480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24223}}^1$

素因数の和:24253

約数の個数: 32

約数和(自身を含む): 43603200

約数和(自身を除く): 25193720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 24223, 48446, 96892, 121115, 193784, 242230, 460237, 484460, 920474, 968920, 1840948, 2301185, 3681896, 4602370, 9204740, 18409480]

約数ペア:

[(1, 18409480), (2, 9204740), (4, 4602370), (5, 3681896), (8, 2301185), (10, 1840948), (19, 968920), (20, 920474), (38, 484460), (40, 460237), (76, 242230), (95, 193784), (152, 121115), (190, 96892), (380, 48446), (760, 24223)]