18489840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77041}}^1$

素因数の和:77057

約数の個数: 40

約数和(自身を含む): 57319248

約数和(自身を除く): 38829408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77041, 154082, 231123, 308164, 385205, 462246, 616328, 770410, 924492, 1155615, 1232656, 1540820, 1848984, 2311230, 3081640, 3697968, 4622460, 6163280, 9244920, 18489840]

約数ペア:

[(1, 18489840), (2, 9244920), (3, 6163280), (4, 4622460), (5, 3697968), (6, 3081640), (8, 2311230), (10, 1848984), (12, 1540820), (15, 1232656), (16, 1155615), (20, 924492), (24, 770410), (30, 616328), (40, 462246), (48, 385205), (60, 308164), (80, 231123), (120, 154082), (240, 77041)]