18995655145

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1\times {\mathrm{2707}}^1$

素因数の和:3289

約数の個数: 32

約数和(自身を含む): 23753536128

約数和(自身を除く): 4757880983

約数列:

[1, 5, 37, 83, 185, 415, 457, 2285, 2707, 3071, 13535, 15355, 16909, 37931, 84545, 100159, 189655, 224681, 500795, 1123405, 1237099, 1403447, 6185495, 7017235, 8313197, 41565985, 45772663, 102679217, 228863315, 513396085, 3799131029, 18995655145]

約数ペア:

[(1, 18995655145), (5, 3799131029), (37, 513396085), (83, 228863315), (185, 102679217), (415, 45772663), (457, 41565985), (2285, 8313197), (2707, 7017235), (3071, 6185495), (13535, 1403447), (15355, 1237099), (16909, 1123405), (37931, 500795), (84545, 224681), (100159, 189655)]