18940852

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2357}}^1$

素因数の和:2416

約数の個数: 36

約数和(自身を含む): 39515364

約数和(自身を除く): 20574512

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 2357, 4018, 4714, 8036, 9428, 16499, 32998, 65996, 96637, 115493, 193274, 230986, 386548, 461972, 676459, 1352918, 2705836, 4735213, 9470426, 18940852]

約数ペア:

[(1, 18940852), (2, 9470426), (4, 4735213), (7, 2705836), (14, 1352918), (28, 676459), (41, 461972), (49, 386548), (82, 230986), (98, 193274), (164, 115493), (196, 96637), (287, 65996), (574, 32998), (1148, 16499), (2009, 9428), (2357, 8036), (4018, 4714)]