18064420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 41727168

約数和(自身を除く): 23662748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 523, 628, 785, 1046, 1570, 1727, 2092, 2615, 3140, 3454, 5230, 5753, 6908, 8635, 10460, 11506, 17270, 23012, 28765, 34540, 57530, 82111, 115060, 164222, 328444, 410555, 821110, 903221, 1642220, 1806442, 3612884, 4516105, 9032210, 18064420]

約数ペア:

[(1, 18064420), (2, 9032210), (4, 4516105), (5, 3612884), (10, 1806442), (11, 1642220), (20, 903221), (22, 821110), (44, 410555), (55, 328444), (110, 164222), (157, 115060), (220, 82111), (314, 57530), (523, 34540), (628, 28765), (785, 23012), (1046, 17270), (1570, 11506), (1727, 10460), (2092, 8635), (2615, 6908), (3140, 5753), (3454, 5230)]