19392440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13103}}^1$

素因数の和:13151

約数の個数: 32

約数和(自身を含む): 44815680

約数和(自身を除く): 25423240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13103, 26206, 52412, 65515, 104824, 131030, 262060, 484811, 524120, 969622, 1939244, 2424055, 3878488, 4848110, 9696220, 19392440]

約数ペア:

[(1, 19392440), (2, 9696220), (4, 4848110), (5, 3878488), (8, 2424055), (10, 1939244), (20, 969622), (37, 524120), (40, 484811), (74, 262060), (148, 131030), (185, 104824), (296, 65515), (370, 52412), (740, 26206), (1480, 13103)]