18299281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 24950016

約数和(自身を除く): 6650735

約数列:

[1, 7, 11, 13, 77, 91, 101, 143, 181, 707, 1001, 1111, 1267, 1313, 1991, 2353, 7777, 9191, 13937, 14443, 16471, 18281, 25883, 101101, 127967, 181181, 201091, 237653, 1407637, 1663571, 2614183, 18299281]

約数ペア:

[(1, 18299281), (7, 2614183), (11, 1663571), (13, 1407637), (77, 237653), (91, 201091), (101, 181181), (143, 127967), (181, 101101), (707, 25883), (1001, 18281), (1111, 16471), (1267, 14443), (1313, 13937), (1991, 9191), (2353, 7777)]