19688396

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7727}}^1$

素因数の和:7758

約数の個数: 36

約数和(自身を含む): 43168608

約数和(自身を除く): 23480212

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 7727, 15454, 30908, 54089, 100451, 108178, 200902, 216356, 378623, 401804, 703157, 757246, 1406314, 1514492, 2812628, 4922099, 9844198, 19688396]

約数ペア:

[(1, 19688396), (2, 9844198), (4, 4922099), (7, 2812628), (13, 1514492), (14, 1406314), (26, 757246), (28, 703157), (49, 401804), (52, 378623), (91, 216356), (98, 200902), (182, 108178), (196, 100451), (364, 54089), (637, 30908), (1274, 15454), (2548, 7727)]