19485540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1051}}^1$

素因数の和:1169

約数の個数: 72

約数和(自身を含む): 59736768

約数和(自身を除く): 40251228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1051, 1236, 1545, 1854, 2060, 2102, 3090, 3153, 3708, 4204, 4635, 5255, 6180, 6306, 9270, 9459, 10510, 12612, 15765, 18540, 18918, 21020, 31530, 37836, 47295, 63060, 94590, 108253, 189180, 216506, 324759, 433012, 541265, 649518, 974277, 1082530, 1299036, 1623795, 1948554, 2165060, 3247590, 3897108, 4871385, 6495180, 9742770, 19485540]

約数ペア:

[(1, 19485540), (2, 9742770), (3, 6495180), (4, 4871385), (5, 3897108), (6, 3247590), (9, 2165060), (10, 1948554), (12, 1623795), (15, 1299036), (18, 1082530), (20, 974277), (30, 649518), (36, 541265), (45, 433012), (60, 324759), (90, 216506), (103, 189180), (180, 108253), (206, 94590), (309, 63060), (412, 47295), (515, 37836), (618, 31530), (927, 21020), (1030, 18918), (1051, 18540), (1236, 15765), (1545, 12612), (1854, 10510), (2060, 9459), (2102, 9270), (3090, 6306), (3153, 6180), (3708, 5255), (4204, 4635)]