19727596

素因数分解:

$2^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:670

約数の個数: 36

約数和(自身を含む): 40420296

約数和(自身を除く): 20692700

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 251, 401, 502, 802, 1004, 1604, 1757, 2807, 3514, 5614, 7028, 11228, 12299, 19649, 24598, 39298, 49196, 78596, 100651, 201302, 402604, 704557, 1409114, 2818228, 4931899, 9863798, 19727596]

約数ペア:

[(1, 19727596), (2, 9863798), (4, 4931899), (7, 2818228), (14, 1409114), (28, 704557), (49, 402604), (98, 201302), (196, 100651), (251, 78596), (401, 49196), (502, 39298), (802, 24598), (1004, 19649), (1604, 12299), (1757, 11228), (2807, 7028), (3514, 5614)]