19446540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3209}}^1$

素因数の和:3322

約数の個数: 48

約数和(自身を含む): 55006560

約数和(自身を除く): 35560020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3209, 6060, 6418, 9627, 12836, 16045, 19254, 32090, 38508, 48135, 64180, 96270, 192540, 324109, 648218, 972327, 1296436, 1620545, 1944654, 3241090, 3889308, 4861635, 6482180, 9723270, 19446540]

約数ペア:

[(1, 19446540), (2, 9723270), (3, 6482180), (4, 4861635), (5, 3889308), (6, 3241090), (10, 1944654), (12, 1620545), (15, 1296436), (20, 972327), (30, 648218), (60, 324109), (101, 192540), (202, 96270), (303, 64180), (404, 48135), (505, 38508), (606, 32090), (1010, 19254), (1212, 16045), (1515, 12836), (2020, 9627), (3030, 6418), (3209, 6060)]