18884990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 35060256

約数和(自身を除く): 16175266

約数列:

[1, 2, 5, 10, 61, 83, 122, 166, 305, 373, 415, 610, 746, 830, 1865, 3730, 5063, 10126, 22753, 25315, 30959, 45506, 50630, 61918, 113765, 154795, 227530, 309590, 1888499, 3776998, 9442495, 18884990]

約数ペア:

[(1, 18884990), (2, 9442495), (5, 3776998), (10, 1888499), (61, 309590), (83, 227530), (122, 154795), (166, 113765), (305, 61918), (373, 50630), (415, 45506), (610, 30959), (746, 25315), (830, 22753), (1865, 10126), (3730, 5063)]