18818892

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1057

約数の個数: 72

約数和(自身を含む): 51979200

約数和(自身を除く): 33160308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 972, 1019, 1026, 1539, 2038, 2052, 3057, 3078, 4076, 4617, 6114, 6156, 9171, 9234, 12228, 18342, 18468, 19361, 27513, 36684, 38722, 55026, 58083, 77444, 82539, 110052, 116166, 165078, 174249, 232332, 247617, 330156, 348498, 495234, 522747, 696996, 990468, 1045494, 1568241, 2090988, 3136482, 4704723, 6272964, 9409446, 18818892]

約数ペア:

[(1, 18818892), (2, 9409446), (3, 6272964), (4, 4704723), (6, 3136482), (9, 2090988), (12, 1568241), (18, 1045494), (19, 990468), (27, 696996), (36, 522747), (38, 495234), (54, 348498), (57, 330156), (76, 247617), (81, 232332), (108, 174249), (114, 165078), (162, 116166), (171, 110052), (228, 82539), (243, 77444), (324, 58083), (342, 55026), (486, 38722), (513, 36684), (684, 27513), (972, 19361), (1019, 18468), (1026, 18342), (1539, 12228), (2038, 9234), (2052, 9171), (3057, 6156), (3078, 6114), (4076, 4617)]