19488260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8053}}^1$

素因数の和:8084

約数の個数: 36

約数和(自身を含む): 44989644

約数和(自身を除く): 25501384

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8053, 16106, 32212, 40265, 80530, 88583, 161060, 177166, 354332, 442915, 885830, 974413, 1771660, 1948826, 3897652, 4872065, 9744130, 19488260]

約数ペア:

[(1, 19488260), (2, 9744130), (4, 4872065), (5, 3897652), (10, 1948826), (11, 1771660), (20, 974413), (22, 885830), (44, 442915), (55, 354332), (110, 177166), (121, 161060), (220, 88583), (242, 80530), (484, 40265), (605, 32212), (1210, 16106), (2420, 8053)]