19818090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12953}}^1$

素因数の和:12983

約数の個数: 48

約数和(自身を含む): 54562248

約数和(自身を除く): 34744158

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 12953, 25906, 38859, 64765, 77718, 116577, 129530, 194295, 220201, 233154, 388590, 440402, 582885, 660603, 1101005, 1165770, 1321206, 1981809, 2202010, 3303015, 3963618, 6606030, 9909045, 19818090]

約数ペア:

[(1, 19818090), (2, 9909045), (3, 6606030), (5, 3963618), (6, 3303015), (9, 2202010), (10, 1981809), (15, 1321206), (17, 1165770), (18, 1101005), (30, 660603), (34, 582885), (45, 440402), (51, 388590), (85, 233154), (90, 220201), (102, 194295), (153, 129530), (170, 116577), (255, 77718), (306, 64765), (510, 38859), (765, 25906), (1530, 12953)]