19216868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1117}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 40569984

約数和(自身を除く): 21353116

約数列:

[1, 2, 4, 11, 17, 22, 23, 34, 44, 46, 68, 92, 187, 253, 374, 391, 506, 748, 782, 1012, 1117, 1564, 2234, 4301, 4468, 8602, 12287, 17204, 18989, 24574, 25691, 37978, 49148, 51382, 75956, 102764, 208879, 282601, 417758, 436747, 565202, 835516, 873494, 1130404, 1746988, 4804217, 9608434, 19216868]

約数ペア:

[(1, 19216868), (2, 9608434), (4, 4804217), (11, 1746988), (17, 1130404), (22, 873494), (23, 835516), (34, 565202), (44, 436747), (46, 417758), (68, 282601), (92, 208879), (187, 102764), (253, 75956), (374, 51382), (391, 49148), (506, 37978), (748, 25691), (782, 24574), (1012, 18989), (1117, 17204), (1564, 12287), (2234, 8602), (4301, 4468)]