18964740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4001}}^1$

素因数の和:4092

約数の個数: 48

約数和(自身を含む): 53786880

約数和(自身を除く): 34822140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4001, 4740, 8002, 12003, 16004, 20005, 24006, 40010, 48012, 60015, 80020, 120030, 240060, 316079, 632158, 948237, 1264316, 1580395, 1896474, 3160790, 3792948, 4741185, 6321580, 9482370, 18964740]

約数ペア:

[(1, 18964740), (2, 9482370), (3, 6321580), (4, 4741185), (5, 3792948), (6, 3160790), (10, 1896474), (12, 1580395), (15, 1264316), (20, 948237), (30, 632158), (60, 316079), (79, 240060), (158, 120030), (237, 80020), (316, 60015), (395, 48012), (474, 40010), (790, 24006), (948, 20005), (1185, 16004), (1580, 12003), (2370, 8002), (4001, 4740)]