18745118

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 35277984

約数和(自身を除く): 16532866

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 113, 119, 226, 238, 287, 289, 574, 578, 697, 791, 1394, 1582, 1921, 2023, 3842, 4046, 4633, 4879, 9266, 9758, 11849, 13447, 23698, 26894, 32431, 32657, 64862, 65314, 78761, 82943, 157522, 165886, 228599, 457198, 551327, 1102654, 1338937, 2677874, 9372559, 18745118]

約数ペア:

[(1, 18745118), (2, 9372559), (7, 2677874), (14, 1338937), (17, 1102654), (34, 551327), (41, 457198), (82, 228599), (113, 165886), (119, 157522), (226, 82943), (238, 78761), (287, 65314), (289, 64862), (574, 32657), (578, 32431), (697, 26894), (791, 23698), (1394, 13447), (1582, 11849), (1921, 9758), (2023, 9266), (3842, 4879), (4046, 4633)]