19505332

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 44241120

約数和(自身を除く): 24735788

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 83, 98, 109, 154, 166, 196, 218, 308, 332, 436, 539, 581, 763, 913, 1078, 1162, 1199, 1526, 1826, 2156, 2324, 2398, 3052, 3652, 4067, 4796, 5341, 6391, 8134, 8393, 9047, 10682, 12782, 16268, 16786, 18094, 21364, 25564, 33572, 36188, 44737, 58751, 63329, 89474, 99517, 117502, 126658, 178948, 199034, 235004, 253316, 398068, 443303, 696619, 886606, 1393238, 1773212, 2786476, 4876333, 9752666, 19505332]

約数ペア:

[(1, 19505332), (2, 9752666), (4, 4876333), (7, 2786476), (11, 1773212), (14, 1393238), (22, 886606), (28, 696619), (44, 443303), (49, 398068), (77, 253316), (83, 235004), (98, 199034), (109, 178948), (154, 126658), (166, 117502), (196, 99517), (218, 89474), (308, 63329), (332, 58751), (436, 44737), (539, 36188), (581, 33572), (763, 25564), (913, 21364), (1078, 18094), (1162, 16786), (1199, 16268), (1526, 12782), (1826, 10682), (2156, 9047), (2324, 8393), (2398, 8134), (3052, 6391), (3652, 5341), (4067, 4796)]