19684028

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3181}}^1$

素因数の和:3222

約数の個数: 48

約数和(自身を含む): 44904384

約数和(自身を除く): 25220356

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 3181, 6188, 6362, 12724, 22267, 41353, 44534, 54077, 82706, 89068, 108154, 165412, 216308, 289471, 378539, 578942, 703001, 757078, 1157884, 1406002, 1514156, 2812004, 4921007, 9842014, 19684028]

約数ペア:

[(1, 19684028), (2, 9842014), (4, 4921007), (7, 2812004), (13, 1514156), (14, 1406002), (17, 1157884), (26, 757078), (28, 703001), (34, 578942), (52, 378539), (68, 289471), (91, 216308), (119, 165412), (182, 108154), (221, 89068), (238, 82706), (364, 54077), (442, 44534), (476, 41353), (884, 22267), (1547, 12724), (3094, 6362), (3181, 6188)]