1812521220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{816451}}^1$

素因数の和:816500

約数の個数: 48

約数和(自身を含む): 5212229568

約数和(自身を除く): 3399708348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 816451, 1632902, 2449353, 3265804, 4082255, 4898706, 8164510, 9797412, 12246765, 16329020, 24493530, 30208687, 48987060, 60417374, 90626061, 120834748, 151043435, 181252122, 302086870, 362504244, 453130305, 604173740, 906260610, 1812521220]

約数ペア:

[(1, 1812521220), (2, 906260610), (3, 604173740), (4, 453130305), (5, 362504244), (6, 302086870), (10, 181252122), (12, 151043435), (15, 120834748), (20, 90626061), (30, 60417374), (37, 48987060), (60, 30208687), (74, 24493530), (111, 16329020), (148, 12246765), (185, 9797412), (222, 8164510), (370, 4898706), (444, 4082255), (555, 3265804), (740, 2449353), (1110, 1632902), (2220, 816451)]