18796640

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4051}}^1$

素因数の和:4095

約数の個数: 48

約数和(自身を含む): 45949680

約数和(自身を除く): 27153040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4051, 4640, 8102, 16204, 20255, 32408, 40510, 64816, 81020, 117479, 129632, 162040, 234958, 324080, 469916, 587395, 648160, 939832, 1174790, 1879664, 2349580, 3759328, 4699160, 9398320, 18796640]

約数ペア:

[(1, 18796640), (2, 9398320), (4, 4699160), (5, 3759328), (8, 2349580), (10, 1879664), (16, 1174790), (20, 939832), (29, 648160), (32, 587395), (40, 469916), (58, 324080), (80, 234958), (116, 162040), (145, 129632), (160, 117479), (232, 81020), (290, 64816), (464, 40510), (580, 32408), (928, 20255), (1160, 16204), (2320, 8102), (4051, 4640)]