19880982

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 30438378

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 41, 62, 66, 79, 82, 93, 99, 123, 158, 186, 198, 237, 246, 279, 341, 369, 451, 474, 558, 682, 711, 738, 869, 902, 1023, 1271, 1353, 1422, 1738, 2046, 2449, 2542, 2607, 2706, 3069, 3239, 3813, 4059, 4898, 5214, 6138, 6478, 7347, 7626, 7821, 8118, 9717, 11439, 13981, 14694, 15642, 19434, 22041, 22878, 26939, 27962, 29151, 35629, 41943, 44082, 53878, 58302, 71258, 80817, 83886, 100409, 106887, 125829, 161634, 200818, 213774, 242451, 251658, 301227, 320661, 484902, 602454, 641322, 903681, 1104499, 1807362, 2208998, 3313497, 6626994, 9940491, 19880982]

約数ペア:

[(1, 19880982), (2, 9940491), (3, 6626994), (6, 3313497), (9, 2208998), (11, 1807362), (18, 1104499), (22, 903681), (31, 641322), (33, 602454), (41, 484902), (62, 320661), (66, 301227), (79, 251658), (82, 242451), (93, 213774), (99, 200818), (123, 161634), (158, 125829), (186, 106887), (198, 100409), (237, 83886), (246, 80817), (279, 71258), (341, 58302), (369, 53878), (451, 44082), (474, 41943), (558, 35629), (682, 29151), (711, 27962), (738, 26939), (869, 22878), (902, 22041), (1023, 19434), (1271, 15642), (1353, 14694), (1422, 13981), (1738, 11439), (2046, 9717), (2449, 8118), (2542, 7821), (2607, 7626), (2706, 7347), (3069, 6478), (3239, 6138), (3813, 5214), (4059, 4898)]