18020548

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 40090624

約数和(自身を除く): 22070076

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1597, 1612, 2821, 3194, 5642, 6388, 11179, 11284, 20761, 22358, 41522, 44716, 49507, 83044, 99014, 145327, 198028, 290654, 346549, 581308, 643591, 693098, 1287182, 1386196, 2574364, 4505137, 9010274, 18020548]

約数ペア:

[(1, 18020548), (2, 9010274), (4, 4505137), (7, 2574364), (13, 1386196), (14, 1287182), (26, 693098), (28, 643591), (31, 581308), (52, 346549), (62, 290654), (91, 198028), (124, 145327), (182, 99014), (217, 83044), (364, 49507), (403, 44716), (434, 41522), (806, 22358), (868, 20761), (1597, 11284), (1612, 11179), (2821, 6388), (3194, 5642)]