19658640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{811}}^1$

素因数の和:928

約数の個数: 80

約数和(自身を含む): 61621056

約数和(自身を除く): 41962416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 811, 1010, 1212, 1515, 1616, 1622, 2020, 2424, 2433, 3030, 3244, 4040, 4055, 4848, 4866, 6060, 6488, 8080, 8110, 9732, 12120, 12165, 12976, 16220, 19464, 24240, 24330, 32440, 38928, 48660, 64880, 81911, 97320, 163822, 194640, 245733, 327644, 409555, 491466, 655288, 819110, 982932, 1228665, 1310576, 1638220, 1965864, 2457330, 3276440, 3931728, 4914660, 6552880, 9829320, 19658640]

約数ペア:

[(1, 19658640), (2, 9829320), (3, 6552880), (4, 4914660), (5, 3931728), (6, 3276440), (8, 2457330), (10, 1965864), (12, 1638220), (15, 1310576), (16, 1228665), (20, 982932), (24, 819110), (30, 655288), (40, 491466), (48, 409555), (60, 327644), (80, 245733), (101, 194640), (120, 163822), (202, 97320), (240, 81911), (303, 64880), (404, 48660), (505, 38928), (606, 32440), (808, 24330), (811, 24240), (1010, 19464), (1212, 16220), (1515, 12976), (1616, 12165), (1622, 12120), (2020, 9732), (2424, 8110), (2433, 8080), (3030, 6488), (3244, 6060), (4040, 4866), (4055, 4848)]