19464928

素因数分解:

$2^5\times 7^1\times {\mathrm{113}}^1\times {\mathrm{769}}^1$

素因数の和:899

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 24776192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 113, 224, 226, 452, 769, 791, 904, 1538, 1582, 1808, 3076, 3164, 3616, 5383, 6152, 6328, 10766, 12304, 12656, 21532, 24608, 25312, 43064, 86128, 86897, 172256, 173794, 347588, 608279, 695176, 1216558, 1390352, 2433116, 2780704, 4866232, 9732464, 19464928]

約数ペア:

[(1, 19464928), (2, 9732464), (4, 4866232), (7, 2780704), (8, 2433116), (14, 1390352), (16, 1216558), (28, 695176), (32, 608279), (56, 347588), (112, 173794), (113, 172256), (224, 86897), (226, 86128), (452, 43064), (769, 25312), (791, 24608), (904, 21532), (1538, 12656), (1582, 12304), (1808, 10766), (3076, 6328), (3164, 6152), (3616, 5383)]