19372185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 38862720

約数和(自身を除く): 19490535

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 89, 105, 267, 315, 445, 623, 691, 801, 1335, 1869, 2073, 3115, 3455, 4005, 4837, 5607, 6219, 9345, 10365, 14511, 24185, 28035, 31095, 43533, 61499, 72555, 184497, 217665, 307495, 430493, 553491, 922485, 1291479, 2152465, 2767455, 3874437, 6457395, 19372185]

約数ペア:

[(1, 19372185), (3, 6457395), (5, 3874437), (7, 2767455), (9, 2152465), (15, 1291479), (21, 922485), (35, 553491), (45, 430493), (63, 307495), (89, 217665), (105, 184497), (267, 72555), (315, 61499), (445, 43533), (623, 31095), (691, 28035), (801, 24185), (1335, 14511), (1869, 10365), (2073, 9345), (3115, 6219), (3455, 5607), (4005, 4837)]