20181858748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{471671}}^1$

素因数の和:472257

約数の個数: 24

約数和(自身を含む): 37243221120

約数和(自身を除く): 17061362372

約数列:

[1, 2, 4, 19, 38, 76, 563, 1126, 2252, 10697, 21394, 42788, 471671, 943342, 1886684, 8961749, 17923498, 35846996, 265550773, 531101546, 1062203092, 5045464687, 10090929374, 20181858748]

約数ペア:

[(1, 20181858748), (2, 10090929374), (4, 5045464687), (19, 1062203092), (38, 531101546), (76, 265550773), (563, 35846996), (1126, 17923498), (2252, 8961749), (10697, 1886684), (21394, 943342), (42788, 471671)]