19734736

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 46854144

約数和(自身を除く): 27119408

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 47, 56, 92, 94, 112, 161, 163, 184, 188, 322, 326, 329, 368, 376, 644, 652, 658, 752, 1081, 1141, 1288, 1304, 1316, 2162, 2282, 2576, 2608, 2632, 3749, 4324, 4564, 5264, 7498, 7567, 7661, 8648, 9128, 14996, 15134, 15322, 17296, 18256, 26243, 29992, 30268, 30644, 52486, 53627, 59984, 60536, 61288, 104972, 107254, 121072, 122576, 176203, 209944, 214508, 352406, 419888, 429016, 704812, 858032, 1233421, 1409624, 2466842, 2819248, 4933684, 9867368, 19734736]

約数ペア:

[(1, 19734736), (2, 9867368), (4, 4933684), (7, 2819248), (8, 2466842), (14, 1409624), (16, 1233421), (23, 858032), (28, 704812), (46, 429016), (47, 419888), (56, 352406), (92, 214508), (94, 209944), (112, 176203), (161, 122576), (163, 121072), (184, 107254), (188, 104972), (322, 61288), (326, 60536), (329, 59984), (368, 53627), (376, 52486), (644, 30644), (652, 30268), (658, 29992), (752, 26243), (1081, 18256), (1141, 17296), (1288, 15322), (1304, 15134), (1316, 14996), (2162, 9128), (2282, 8648), (2576, 7661), (2608, 7567), (2632, 7498), (3749, 5264), (4324, 4564)]