19439366980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{874859}}^1$

素因数の和:874980

約数の個数: 48

約数和(自身を含む): 44974802880

約数和(自身を除く): 25535435900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 22220, 874859, 1749718, 3499436, 4374295, 8748590, 9623449, 17497180, 19246898, 38493796, 48117245, 88360759, 96234490, 176721518, 192468980, 353443036, 441803795, 883607590, 971968349, 1767215180, 1943936698, 3887873396, 4859841745, 9719683490, 19439366980]

約数ペア:

[(1, 19439366980), (2, 9719683490), (4, 4859841745), (5, 3887873396), (10, 1943936698), (11, 1767215180), (20, 971968349), (22, 883607590), (44, 441803795), (55, 353443036), (101, 192468980), (110, 176721518), (202, 96234490), (220, 88360759), (404, 48117245), (505, 38493796), (1010, 19246898), (1111, 17497180), (2020, 9623449), (2222, 8748590), (4444, 4374295), (5555, 3499436), (11110, 1749718), (22220, 874859)]