18959668

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1063}}^1$

素因数の和:1101

約数の個数: 48

約数和(自身を含む): 41708800

約数和(自身を除く): 22749132

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1063, 1274, 1372, 2126, 2548, 4252, 4459, 7441, 8918, 13819, 14882, 17836, 27638, 29764, 52087, 55276, 96733, 104174, 193466, 208348, 364609, 386932, 677131, 729218, 1354262, 1458436, 2708524, 4739917, 9479834, 18959668]

約数ペア:

[(1, 18959668), (2, 9479834), (4, 4739917), (7, 2708524), (13, 1458436), (14, 1354262), (26, 729218), (28, 677131), (49, 386932), (52, 364609), (91, 208348), (98, 193466), (182, 104174), (196, 96733), (343, 55276), (364, 52087), (637, 29764), (686, 27638), (1063, 17836), (1274, 14882), (1372, 13819), (2126, 8918), (2548, 7441), (4252, 4459)]