2019959331

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 3121574400

約数和(自身を除く): 1101615069

約数列:

[1, 3, 13, 19, 39, 57, 97, 157, 179, 247, 291, 471, 537, 741, 1261, 1843, 2041, 2327, 2983, 3401, 3783, 5529, 6123, 6981, 8949, 10203, 15229, 17363, 23959, 28103, 38779, 44213, 45687, 52089, 71877, 84309, 116337, 132639, 197977, 225719, 289351, 329897, 365339, 533957, 593931, 677157, 868053, 989691, 1096017, 1601871, 2725991, 3761563, 4288661, 6941441, 8177973, 11284689, 12865983, 20824323, 35437883, 51793829, 106313649, 155381487, 673319777, 2019959331]

約数ペア:

[(1, 2019959331), (3, 673319777), (13, 155381487), (19, 106313649), (39, 51793829), (57, 35437883), (97, 20824323), (157, 12865983), (179, 11284689), (247, 8177973), (291, 6941441), (471, 4288661), (537, 3761563), (741, 2725991), (1261, 1601871), (1843, 1096017), (2041, 989691), (2327, 868053), (2983, 677157), (3401, 593931), (3783, 533957), (5529, 365339), (6123, 329897), (6981, 289351), (8949, 225719), (10203, 197977), (15229, 132639), (17363, 116337), (23959, 84309), (28103, 71877), (38779, 52089), (44213, 45687)]