19004260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7853}}^1$

素因数の和:7884

約数の個数: 36

約数和(自身を含む): 43872444

約数和(自身を除く): 24868184

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7853, 15706, 31412, 39265, 78530, 86383, 157060, 172766, 345532, 431915, 863830, 950213, 1727660, 1900426, 3800852, 4751065, 9502130, 19004260]

約数ペア:

[(1, 19004260), (2, 9502130), (4, 4751065), (5, 3800852), (10, 1900426), (11, 1727660), (20, 950213), (22, 863830), (44, 431915), (55, 345532), (110, 172766), (121, 157060), (220, 86383), (242, 78530), (484, 39265), (605, 31412), (1210, 15706), (2420, 7853)]