19005559105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1087}}^1\times {\mathrm{15823}}^1$

素因数の和:16945

約数の個数: 32

約数和(自身を含む): 26031366144

約数和(自身を除く): 7025807039

約数列:

[1, 5, 13, 17, 65, 85, 221, 1087, 1105, 5435, 14131, 15823, 18479, 70655, 79115, 92395, 205699, 240227, 268991, 1028495, 1201135, 1344955, 3496883, 17199601, 17484415, 85998005, 223594813, 292393217, 1117974065, 1461966085, 3801111821, 19005559105]

約数ペア:

[(1, 19005559105), (5, 3801111821), (13, 1461966085), (17, 1117974065), (65, 292393217), (85, 223594813), (221, 85998005), (1087, 17484415), (1105, 17199601), (5435, 3496883), (14131, 1344955), (15823, 1201135), (18479, 1028495), (70655, 268991), (79115, 240227), (92395, 205699)]