19632850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 38263176

約数和(自身を除く): 18630326

約数列:

[1, 2, 5, 10, 25, 41, 50, 61, 82, 122, 157, 205, 305, 314, 410, 610, 785, 1025, 1525, 1570, 2050, 2501, 3050, 3925, 5002, 6437, 7850, 9577, 12505, 12874, 19154, 25010, 32185, 47885, 62525, 64370, 95770, 125050, 160925, 239425, 321850, 392657, 478850, 785314, 1963285, 3926570, 9816425, 19632850]

約数ペア:

[(1, 19632850), (2, 9816425), (5, 3926570), (10, 1963285), (25, 785314), (41, 478850), (50, 392657), (61, 321850), (82, 239425), (122, 160925), (157, 125050), (205, 95770), (305, 64370), (314, 62525), (410, 47885), (610, 32185), (785, 25010), (1025, 19154), (1525, 12874), (1570, 12505), (2050, 9577), (2501, 7850), (3050, 6437), (3925, 5002)]