19857840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{853}}^1$

素因数の和:966

約数の個数: 80

約数和(自身を含む): 62266848

約数和(自身を除く): 42409008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 776, 853, 970, 1164, 1455, 1552, 1706, 1940, 2328, 2559, 2910, 3412, 3880, 4265, 4656, 5118, 5820, 6824, 7760, 8530, 10236, 11640, 12795, 13648, 17060, 20472, 23280, 25590, 34120, 40944, 51180, 68240, 82741, 102360, 165482, 204720, 248223, 330964, 413705, 496446, 661928, 827410, 992892, 1241115, 1323856, 1654820, 1985784, 2482230, 3309640, 3971568, 4964460, 6619280, 9928920, 19857840]

約数ペア:

[(1, 19857840), (2, 9928920), (3, 6619280), (4, 4964460), (5, 3971568), (6, 3309640), (8, 2482230), (10, 1985784), (12, 1654820), (15, 1323856), (16, 1241115), (20, 992892), (24, 827410), (30, 661928), (40, 496446), (48, 413705), (60, 330964), (80, 248223), (97, 204720), (120, 165482), (194, 102360), (240, 82741), (291, 68240), (388, 51180), (485, 40944), (582, 34120), (776, 25590), (853, 23280), (970, 20472), (1164, 17060), (1455, 13648), (1552, 12795), (1706, 11640), (1940, 10236), (2328, 8530), (2559, 7760), (2910, 6824), (3412, 5820), (3880, 5118), (4265, 4656)]