19815334

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{577}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 37287936

約数和(自身を除く): 17472602

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 223, 446, 577, 1154, 1561, 2453, 3122, 4039, 4906, 6347, 8078, 12694, 17171, 34342, 44429, 88858, 128671, 257342, 900697, 1415381, 1801394, 2830762, 9907667, 19815334]

約数ペア:

[(1, 19815334), (2, 9907667), (7, 2830762), (11, 1801394), (14, 1415381), (22, 900697), (77, 257342), (154, 128671), (223, 88858), (446, 44429), (577, 34342), (1154, 17171), (1561, 12694), (2453, 8078), (3122, 6347), (4039, 4906)]