20181279976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17640979}}^1$

素因数の和:17641009

約数の個数: 32

約数和(自身を含む): 44455269600

約数和(自身を除く): 24273989624

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17640979, 35281958, 70563916, 141127832, 194050769, 229332727, 388101538, 458665454, 776203076, 917330908, 1552406152, 1834661816, 2522659997, 5045319994, 10090639988, 20181279976]

約数ペア:

[(1, 20181279976), (2, 10090639988), (4, 5045319994), (8, 2522659997), (11, 1834661816), (13, 1552406152), (22, 917330908), (26, 776203076), (44, 458665454), (52, 388101538), (88, 229332727), (104, 194050769), (143, 141127832), (286, 70563916), (572, 35281958), (1144, 17640979)]