19272540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45887}}^1$

素因数の和:45906

約数の個数: 48

約数和(自身を含む): 61673472

約数和(自身を除く): 42400932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45887, 91774, 137661, 183548, 229435, 275322, 321209, 458870, 550644, 642418, 688305, 917740, 963627, 1284836, 1376610, 1606045, 1927254, 2753220, 3212090, 3854508, 4818135, 6424180, 9636270, 19272540]

約数ペア:

[(1, 19272540), (2, 9636270), (3, 6424180), (4, 4818135), (5, 3854508), (6, 3212090), (7, 2753220), (10, 1927254), (12, 1606045), (14, 1376610), (15, 1284836), (20, 963627), (21, 917740), (28, 688305), (30, 642418), (35, 550644), (42, 458870), (60, 321209), (70, 275322), (84, 229435), (105, 183548), (140, 137661), (210, 91774), (420, 45887)]