19820010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 56306880

約数和(自身を除く): 36486870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 97, 98, 105, 139, 147, 194, 210, 245, 278, 291, 294, 417, 485, 490, 582, 679, 695, 735, 834, 970, 973, 1358, 1390, 1455, 1470, 1946, 2037, 2085, 2910, 2919, 3395, 4074, 4170, 4753, 4865, 5838, 6790, 6811, 9506, 9730, 10185, 13483, 13622, 14259, 14595, 20370, 20433, 23765, 26966, 28518, 29190, 34055, 40449, 40866, 47530, 67415, 68110, 71295, 80898, 94381, 102165, 134830, 142590, 188762, 202245, 204330, 283143, 404490, 471905, 566286, 660667, 943810, 1321334, 1415715, 1982001, 2831430, 3303335, 3964002, 6606670, 9910005, 19820010]

約数ペア:

[(1, 19820010), (2, 9910005), (3, 6606670), (5, 3964002), (6, 3303335), (7, 2831430), (10, 1982001), (14, 1415715), (15, 1321334), (21, 943810), (30, 660667), (35, 566286), (42, 471905), (49, 404490), (70, 283143), (97, 204330), (98, 202245), (105, 188762), (139, 142590), (147, 134830), (194, 102165), (210, 94381), (245, 80898), (278, 71295), (291, 68110), (294, 67415), (417, 47530), (485, 40866), (490, 40449), (582, 34055), (679, 29190), (695, 28518), (735, 26966), (834, 23765), (970, 20433), (973, 20370), (1358, 14595), (1390, 14259), (1455, 13622), (1470, 13483), (1946, 10185), (2037, 9730), (2085, 9506), (2910, 6811), (2919, 6790), (3395, 5838), (4074, 4865), (4170, 4753)]