12201990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21407}}^1$

素因数の和:21436

約数の個数: 32

約数和(自身を含む): 30827520

約数和(自身を除く): 18625530

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 21407, 42814, 64221, 107035, 128442, 214070, 321105, 406733, 642210, 813466, 1220199, 2033665, 2440398, 4067330, 6100995, 12201990]

約数ペア:

[(1, 12201990), (2, 6100995), (3, 4067330), (5, 2440398), (6, 2033665), (10, 1220199), (15, 813466), (19, 642210), (30, 406733), (38, 321105), (57, 214070), (95, 128442), (114, 107035), (190, 64221), (285, 42814), (570, 21407)]