19515638

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{743}}^1$

素因数の和:1339

約数の個数: 16

約数和(自身を含む): 30640896

約数和(自身を除く): 11125258

約数列:

[1, 2, 23, 46, 571, 743, 1142, 1486, 13133, 17089, 26266, 34178, 424253, 848506, 9757819, 19515638]

約数ペア:

[(1, 19515638), (2, 9757819), (23, 848506), (46, 424253), (571, 34178), (743, 26266), (1142, 17089), (1486, 13133)]