19352740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{727}}^1$

素因数の和:769

約数の個数: 48

約数和(自身を含む): 44763264

約数和(自身を除く): 25410524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 727, 1210, 1331, 1454, 2420, 2662, 2908, 3635, 5324, 6655, 7270, 7997, 13310, 14540, 15994, 26620, 31988, 39985, 79970, 87967, 159940, 175934, 351868, 439835, 879670, 967637, 1759340, 1935274, 3870548, 4838185, 9676370, 19352740]

約数ペア:

[(1, 19352740), (2, 9676370), (4, 4838185), (5, 3870548), (10, 1935274), (11, 1759340), (20, 967637), (22, 879670), (44, 439835), (55, 351868), (110, 175934), (121, 159940), (220, 87967), (242, 79970), (484, 39985), (605, 31988), (727, 26620), (1210, 15994), (1331, 14540), (1454, 13310), (2420, 7997), (2662, 7270), (2908, 6655), (3635, 5324)]