19565368

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{491}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 39054960

約数和(自身を除く): 19489592

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 293, 491, 586, 982, 1172, 1964, 2344, 3928, 4981, 8347, 9962, 16694, 19924, 33388, 39848, 66776, 143863, 287726, 575452, 1150904, 2445671, 4891342, 9782684, 19565368]

約数ペア:

[(1, 19565368), (2, 9782684), (4, 4891342), (8, 2445671), (17, 1150904), (34, 575452), (68, 287726), (136, 143863), (293, 66776), (491, 39848), (586, 33388), (982, 19924), (1172, 16694), (1964, 9962), (2344, 8347), (3928, 4981)]