19117380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10987}}^1$

素因数の和:11028

約数の個数: 48

約数和(自身を含む): 55379520

約数和(自身を除く): 36262140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 10987, 21974, 32961, 43948, 54935, 65922, 109870, 131844, 164805, 219740, 318623, 329610, 637246, 659220, 955869, 1274492, 1593115, 1911738, 3186230, 3823476, 4779345, 6372460, 9558690, 19117380]

約数ペア:

[(1, 19117380), (2, 9558690), (3, 6372460), (4, 4779345), (5, 3823476), (6, 3186230), (10, 1911738), (12, 1593115), (15, 1274492), (20, 955869), (29, 659220), (30, 637246), (58, 329610), (60, 318623), (87, 219740), (116, 164805), (145, 131844), (174, 109870), (290, 65922), (348, 54935), (435, 43948), (580, 32961), (870, 21974), (1740, 10987)]