18605450

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 36258840

約数和(自身を除く): 17653390

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 89, 113, 178, 185, 226, 370, 445, 565, 890, 925, 1130, 1850, 2225, 2825, 3293, 4181, 4450, 5650, 6586, 8362, 10057, 16465, 20114, 20905, 32930, 41810, 50285, 82325, 100570, 104525, 164650, 209050, 251425, 372109, 502850, 744218, 1860545, 3721090, 9302725, 18605450]

約数ペア:

[(1, 18605450), (2, 9302725), (5, 3721090), (10, 1860545), (25, 744218), (37, 502850), (50, 372109), (74, 251425), (89, 209050), (113, 164650), (178, 104525), (185, 100570), (226, 82325), (370, 50285), (445, 41810), (565, 32930), (890, 20905), (925, 20114), (1130, 16465), (1850, 10057), (2225, 8362), (2825, 6586), (3293, 5650), (4181, 4450)]