19103240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2161}}^1$

素因数の和:2202

約数の個数: 64

約数和(自身を含む): 49034160

約数和(自身を除く): 29930920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2161, 2210, 4322, 4420, 8644, 8840, 10805, 17288, 21610, 28093, 36737, 43220, 56186, 73474, 86440, 112372, 140465, 146948, 183685, 224744, 280930, 293896, 367370, 477581, 561860, 734740, 955162, 1123720, 1469480, 1910324, 2387905, 3820648, 4775810, 9551620, 19103240]

約数ペア:

[(1, 19103240), (2, 9551620), (4, 4775810), (5, 3820648), (8, 2387905), (10, 1910324), (13, 1469480), (17, 1123720), (20, 955162), (26, 734740), (34, 561860), (40, 477581), (52, 367370), (65, 293896), (68, 280930), (85, 224744), (104, 183685), (130, 146948), (136, 140465), (170, 112372), (221, 86440), (260, 73474), (340, 56186), (442, 43220), (520, 36737), (680, 28093), (884, 21610), (1105, 17288), (1768, 10805), (2161, 8840), (2210, 8644), (4322, 4420)]