19166420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10531}}^1$

素因数の和:10560

約数の個数: 48

約数和(自身を含む): 49542528

約数和(自身を除く): 30376108

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10531, 21062, 42124, 52655, 73717, 105310, 136903, 147434, 210620, 273806, 294868, 368585, 547612, 684515, 737170, 958321, 1369030, 1474340, 1916642, 2738060, 3833284, 4791605, 9583210, 19166420]

約数ペア:

[(1, 19166420), (2, 9583210), (4, 4791605), (5, 3833284), (7, 2738060), (10, 1916642), (13, 1474340), (14, 1369030), (20, 958321), (26, 737170), (28, 684515), (35, 547612), (52, 368585), (65, 294868), (70, 273806), (91, 210620), (130, 147434), (140, 136903), (182, 105310), (260, 73717), (364, 52655), (455, 42124), (910, 21062), (1820, 10531)]