19613998

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{1091}}^1$

素因数の和:1283

約数の個数: 16

約数和(自身を含む): 30073680

約数和(自身を除く): 10459682

約数列:

[1, 2, 89, 101, 178, 202, 1091, 2182, 8989, 17978, 97099, 110191, 194198, 220382, 9806999, 19613998]

約数ペア:

[(1, 19613998), (2, 9806999), (89, 220382), (101, 194198), (178, 110191), (202, 97099), (1091, 17978), (2182, 8989)]