19756016

素因数分解:

$2^4\times 7^2\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 60

約数和(自身を含む): 45122112

約数和(自身を除く): 25366096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 113, 196, 223, 226, 392, 446, 452, 784, 791, 892, 904, 1561, 1582, 1784, 1808, 3122, 3164, 3568, 5537, 6244, 6328, 10927, 11074, 12488, 12656, 21854, 22148, 24976, 25199, 43708, 44296, 50398, 87416, 88592, 100796, 174832, 176393, 201592, 352786, 403184, 705572, 1234751, 1411144, 2469502, 2822288, 4939004, 9878008, 19756016]

約数ペア:

[(1, 19756016), (2, 9878008), (4, 4939004), (7, 2822288), (8, 2469502), (14, 1411144), (16, 1234751), (28, 705572), (49, 403184), (56, 352786), (98, 201592), (112, 176393), (113, 174832), (196, 100796), (223, 88592), (226, 87416), (392, 50398), (446, 44296), (452, 43708), (784, 25199), (791, 24976), (892, 22148), (904, 21854), (1561, 12656), (1582, 12488), (1784, 11074), (1808, 10927), (3122, 6328), (3164, 6244), (3568, 5537)]