19769570

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 36514800

約数和(自身を除く): 16745230

約数列:

[1, 2, 5, 10, 89, 97, 178, 194, 229, 445, 458, 485, 890, 970, 1145, 2290, 8633, 17266, 20381, 22213, 40762, 43165, 44426, 86330, 101905, 111065, 203810, 222130, 1976957, 3953914, 9884785, 19769570]

約数ペア:

[(1, 19769570), (2, 9884785), (5, 3953914), (10, 1976957), (89, 222130), (97, 203810), (178, 111065), (194, 101905), (229, 86330), (445, 44426), (458, 43165), (485, 40762), (890, 22213), (970, 20381), (1145, 17266), (2290, 8633)]