19822660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 30980540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 29, 44, 52, 55, 58, 65, 110, 116, 130, 143, 145, 220, 239, 260, 286, 290, 319, 377, 478, 572, 580, 638, 715, 754, 956, 1195, 1276, 1430, 1508, 1595, 1885, 2390, 2629, 2860, 3107, 3190, 3770, 4147, 4780, 5258, 6214, 6380, 6931, 7540, 8294, 10516, 12428, 13145, 13862, 15535, 16588, 20735, 26290, 27724, 31070, 34177, 34655, 41470, 52580, 62140, 68354, 69310, 76241, 82940, 90103, 136708, 138620, 152482, 170885, 180206, 304964, 341770, 360412, 381205, 450515, 683540, 762410, 901030, 991133, 1524820, 1802060, 1982266, 3964532, 4955665, 9911330, 19822660]

約数ペア:

[(1, 19822660), (2, 9911330), (4, 4955665), (5, 3964532), (10, 1982266), (11, 1802060), (13, 1524820), (20, 991133), (22, 901030), (26, 762410), (29, 683540), (44, 450515), (52, 381205), (55, 360412), (58, 341770), (65, 304964), (110, 180206), (116, 170885), (130, 152482), (143, 138620), (145, 136708), (220, 90103), (239, 82940), (260, 76241), (286, 69310), (290, 68354), (319, 62140), (377, 52580), (478, 41470), (572, 34655), (580, 34177), (638, 31070), (715, 27724), (754, 26290), (956, 20735), (1195, 16588), (1276, 15535), (1430, 13862), (1508, 13145), (1595, 12428), (1885, 10516), (2390, 8294), (2629, 7540), (2860, 6931), (3107, 6380), (3190, 6214), (3770, 5258), (4147, 4780)]