19001790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23459}}^1$

素因数の和:23478

約数の個数: 40

約数和(自身を含む): 51095880

約数和(自身を除く): 32094090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 23459, 46918, 70377, 117295, 140754, 211131, 234590, 351885, 422262, 633393, 703770, 1055655, 1266786, 1900179, 2111310, 3166965, 3800358, 6333930, 9500895, 19001790]

約数ペア:

[(1, 19001790), (2, 9500895), (3, 6333930), (5, 3800358), (6, 3166965), (9, 2111310), (10, 1900179), (15, 1266786), (18, 1055655), (27, 703770), (30, 633393), (45, 422262), (54, 351885), (81, 234590), (90, 211131), (135, 140754), (162, 117295), (270, 70377), (405, 46918), (810, 23459)]