18836880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78487}}^1$

素因数の和:78503

約数の個数: 40

約数和(自身を含む): 58395072

約数和(自身を除く): 39558192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78487, 156974, 235461, 313948, 392435, 470922, 627896, 784870, 941844, 1177305, 1255792, 1569740, 1883688, 2354610, 3139480, 3767376, 4709220, 6278960, 9418440, 18836880]

約数ペア:

[(1, 18836880), (2, 9418440), (3, 6278960), (4, 4709220), (5, 3767376), (6, 3139480), (8, 2354610), (10, 1883688), (12, 1569740), (15, 1255792), (16, 1177305), (20, 941844), (24, 784870), (30, 627896), (40, 470922), (48, 392435), (60, 313948), (80, 235461), (120, 156974), (240, 78487)]