1921881860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{6761}}^1$

素因数の和:7064

約数の個数: 48

約数和(自身を含む): 4120330032

約数和(自身を除く): 2198448172

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 233, 244, 305, 466, 610, 932, 1165, 1220, 2330, 4660, 6761, 13522, 14213, 27044, 28426, 33805, 56852, 67610, 71065, 135220, 142130, 284260, 412421, 824842, 1575313, 1649684, 2062105, 3150626, 4124210, 6301252, 7876565, 8248420, 15753130, 31506260, 96094093, 192188186, 384376372, 480470465, 960940930, 1921881860]

約数ペア:

[(1, 1921881860), (2, 960940930), (4, 480470465), (5, 384376372), (10, 192188186), (20, 96094093), (61, 31506260), (122, 15753130), (233, 8248420), (244, 7876565), (305, 6301252), (466, 4124210), (610, 3150626), (932, 2062105), (1165, 1649684), (1220, 1575313), (2330, 824842), (4660, 412421), (6761, 284260), (13522, 142130), (14213, 135220), (27044, 71065), (28426, 67610), (33805, 56852)]