189467210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{2131}}^1$

素因数の和:2678

約数の個数: 32

約数和(自身を含む): 361962432

約数和(自身を除く): 172495222

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 523, 1046, 2131, 2615, 4262, 5230, 8891, 10655, 17782, 21310, 36227, 44455, 72454, 88910, 181135, 362270, 1114513, 2229026, 5572565, 11145130, 18946721, 37893442, 94733605, 189467210]

約数ペア:

[(1, 189467210), (2, 94733605), (5, 37893442), (10, 18946721), (17, 11145130), (34, 5572565), (85, 2229026), (170, 1114513), (523, 362270), (1046, 181135), (2131, 88910), (2615, 72454), (4262, 44455), (5230, 36227), (8891, 21310), (10655, 17782)]