19356448

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 39558456

約数和(自身を除く): 20202008

約数列:

[1, 2, 4, 8, 16, 32, 53, 101, 106, 113, 202, 212, 226, 404, 424, 452, 808, 848, 904, 1616, 1696, 1808, 3232, 3616, 5353, 5989, 10706, 11413, 11978, 21412, 22826, 23956, 42824, 45652, 47912, 85648, 91304, 95824, 171296, 182608, 191648, 365216, 604889, 1209778, 2419556, 4839112, 9678224, 19356448]

約数ペア:

[(1, 19356448), (2, 9678224), (4, 4839112), (8, 2419556), (16, 1209778), (32, 604889), (53, 365216), (101, 191648), (106, 182608), (113, 171296), (202, 95824), (212, 91304), (226, 85648), (404, 47912), (424, 45652), (452, 42824), (808, 23956), (848, 22826), (904, 21412), (1616, 11978), (1696, 11413), (1808, 10706), (3232, 5989), (3616, 5353)]