19395780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 57335040

約数和(自身を除く): 37939260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 71, 87, 116, 142, 145, 157, 174, 213, 284, 290, 314, 348, 355, 426, 435, 471, 580, 628, 710, 785, 852, 870, 942, 1065, 1420, 1570, 1740, 1884, 2059, 2130, 2355, 3140, 4118, 4260, 4553, 4710, 6177, 8236, 9106, 9420, 10295, 11147, 12354, 13659, 18212, 20590, 22294, 22765, 24708, 27318, 30885, 33441, 41180, 44588, 45530, 54636, 55735, 61770, 66882, 68295, 91060, 111470, 123540, 133764, 136590, 167205, 222940, 273180, 323263, 334410, 646526, 668820, 969789, 1293052, 1616315, 1939578, 3232630, 3879156, 4848945, 6465260, 9697890, 19395780]

約数ペア:

[(1, 19395780), (2, 9697890), (3, 6465260), (4, 4848945), (5, 3879156), (6, 3232630), (10, 1939578), (12, 1616315), (15, 1293052), (20, 969789), (29, 668820), (30, 646526), (58, 334410), (60, 323263), (71, 273180), (87, 222940), (116, 167205), (142, 136590), (145, 133764), (157, 123540), (174, 111470), (213, 91060), (284, 68295), (290, 66882), (314, 61770), (348, 55735), (355, 54636), (426, 45530), (435, 44588), (471, 41180), (580, 33441), (628, 30885), (710, 27318), (785, 24708), (852, 22765), (870, 22294), (942, 20590), (1065, 18212), (1420, 13659), (1570, 12354), (1740, 11147), (1884, 10295), (2059, 9420), (2130, 9106), (2355, 8236), (3140, 6177), (4118, 4710), (4260, 4553)]