19398436

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2143}}^1$

素因数の和:2251

約数の個数: 24

約数和(自身を含む): 35538944

約数和(自身を除く): 16140508

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2143, 2263, 4286, 4526, 8572, 9052, 66433, 132866, 156439, 265732, 312878, 625756, 4849609, 9699218, 19398436]

約数ペア:

[(1, 19398436), (2, 9699218), (4, 4849609), (31, 625756), (62, 312878), (73, 265732), (124, 156439), (146, 132866), (292, 66433), (2143, 9052), (2263, 8572), (4286, 4526)]