18405540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{102253}}^1$

素因数の和:102268

約数の個数: 36

約数和(自身を含む): 55830684

約数和(自身を除く): 37425144

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 102253, 204506, 306759, 409012, 511265, 613518, 920277, 1022530, 1227036, 1533795, 1840554, 2045060, 3067590, 3681108, 4601385, 6135180, 9202770, 18405540]

約数ペア:

[(1, 18405540), (2, 9202770), (3, 6135180), (4, 4601385), (5, 3681108), (6, 3067590), (9, 2045060), (10, 1840554), (12, 1533795), (15, 1227036), (18, 1022530), (20, 920277), (30, 613518), (36, 511265), (45, 409012), (60, 306759), (90, 204506), (180, 102253)]