18447650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 37450728

約数和(自身を除く): 19003078

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 101, 130, 202, 281, 325, 505, 562, 650, 1010, 1313, 1405, 2525, 2626, 2810, 3653, 5050, 6565, 7025, 7306, 13130, 14050, 18265, 28381, 32825, 36530, 56762, 65650, 91325, 141905, 182650, 283810, 368953, 709525, 737906, 1419050, 1844765, 3689530, 9223825, 18447650]

約数ペア:

[(1, 18447650), (2, 9223825), (5, 3689530), (10, 1844765), (13, 1419050), (25, 737906), (26, 709525), (50, 368953), (65, 283810), (101, 182650), (130, 141905), (202, 91325), (281, 65650), (325, 56762), (505, 36530), (562, 32825), (650, 28381), (1010, 18265), (1313, 14050), (1405, 13130), (2525, 7306), (2626, 7025), (2810, 6565), (3653, 5050)]