19550552

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 44858880

約数和(自身を除く): 25308328

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 43, 46, 56, 86, 92, 161, 172, 184, 301, 322, 344, 353, 602, 644, 706, 989, 1204, 1288, 1412, 1978, 2408, 2471, 2824, 3956, 4942, 6923, 7912, 8119, 9884, 13846, 15179, 16238, 19768, 27692, 30358, 32476, 55384, 56833, 60716, 64952, 106253, 113666, 121432, 212506, 227332, 349117, 425012, 454664, 698234, 850024, 1396468, 2443819, 2792936, 4887638, 9775276, 19550552]

約数ペア:

[(1, 19550552), (2, 9775276), (4, 4887638), (7, 2792936), (8, 2443819), (14, 1396468), (23, 850024), (28, 698234), (43, 454664), (46, 425012), (56, 349117), (86, 227332), (92, 212506), (161, 121432), (172, 113666), (184, 106253), (301, 64952), (322, 60716), (344, 56833), (353, 55384), (602, 32476), (644, 30358), (706, 27692), (989, 19768), (1204, 16238), (1288, 15179), (1412, 13846), (1978, 9884), (2408, 8119), (2471, 7912), (2824, 6923), (3956, 4942)]