18117420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8161}}^1$

素因数の和:8210

約数の個数: 48

約数和(自身を含む): 52106208

約数和(自身を除く): 33988788

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, 8161, 16322, 24483, 32644, 40805, 48966, 81610, 97932, 122415, 163220, 244830, 301957, 489660, 603914, 905871, 1207828, 1509785, 1811742, 3019570, 3623484, 4529355, 6039140, 9058710, 18117420]

約数ペア:

[(1, 18117420), (2, 9058710), (3, 6039140), (4, 4529355), (5, 3623484), (6, 3019570), (10, 1811742), (12, 1509785), (15, 1207828), (20, 905871), (30, 603914), (37, 489660), (60, 301957), (74, 244830), (111, 163220), (148, 122415), (185, 97932), (222, 81610), (370, 48966), (444, 40805), (555, 32644), (740, 24483), (1110, 16322), (2220, 8161)]