19215780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18839}}^1$

素因数の和:18868

約数の個数: 48

約数和(自身を含む): 56972160

約数和(自身を除く): 37756380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 18839, 37678, 56517, 75356, 94195, 113034, 188390, 226068, 282585, 320263, 376780, 565170, 640526, 960789, 1130340, 1281052, 1601315, 1921578, 3202630, 3843156, 4803945, 6405260, 9607890, 19215780]

約数ペア:

[(1, 19215780), (2, 9607890), (3, 6405260), (4, 4803945), (5, 3843156), (6, 3202630), (10, 1921578), (12, 1601315), (15, 1281052), (17, 1130340), (20, 960789), (30, 640526), (34, 565170), (51, 376780), (60, 320263), (68, 282585), (85, 226068), (102, 188390), (170, 113034), (204, 94195), (255, 75356), (340, 56517), (510, 37678), (1020, 18839)]