19959648

素因数分解:

$2^5\times 3^1\times {\mathrm{257}}^1\times {\mathrm{809}}^1$

素因数の和:1079

約数の個数: 48

約数和(自身を含む): 52662960

約数和(自身を除く): 32703312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 257, 514, 771, 809, 1028, 1542, 1618, 2056, 2427, 3084, 3236, 4112, 4854, 6168, 6472, 8224, 9708, 12336, 12944, 19416, 24672, 25888, 38832, 77664, 207913, 415826, 623739, 831652, 1247478, 1663304, 2494956, 3326608, 4989912, 6653216, 9979824, 19959648]

約数ペア:

[(1, 19959648), (2, 9979824), (3, 6653216), (4, 4989912), (6, 3326608), (8, 2494956), (12, 1663304), (16, 1247478), (24, 831652), (32, 623739), (48, 415826), (96, 207913), (257, 77664), (514, 38832), (771, 25888), (809, 24672), (1028, 19416), (1542, 12944), (1618, 12336), (2056, 9708), (2427, 8224), (3084, 6472), (3236, 6168), (4112, 4854)]