18049525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 26387200

約数和(自身を除く): 8337675

約数列:

[1, 5, 13, 19, 25, 37, 65, 79, 95, 185, 247, 325, 395, 475, 481, 703, 925, 1027, 1235, 1501, 1975, 2405, 2923, 3515, 5135, 6175, 7505, 9139, 12025, 14615, 17575, 19513, 25675, 37525, 37999, 45695, 55537, 73075, 97565, 189995, 228475, 277685, 487825, 721981, 949975, 1388425, 3609905, 18049525]

約数ペア:

[(1, 18049525), (5, 3609905), (13, 1388425), (19, 949975), (25, 721981), (37, 487825), (65, 277685), (79, 228475), (95, 189995), (185, 97565), (247, 73075), (325, 55537), (395, 45695), (475, 37999), (481, 37525), (703, 25675), (925, 19513), (1027, 17575), (1235, 14615), (1501, 12025), (1975, 9139), (2405, 7505), (2923, 6175), (3515, 5135)]