19996794

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 80

約数和(自身を含む): 48691368

約数和(自身を除く): 28694574

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 53, 54, 81, 102, 106, 137, 153, 159, 162, 274, 306, 318, 411, 459, 477, 822, 901, 918, 954, 1233, 1377, 1431, 1802, 2329, 2466, 2703, 2754, 2862, 3699, 4293, 4658, 5406, 6987, 7261, 7398, 8109, 8586, 11097, 13974, 14522, 16218, 20961, 21783, 22194, 24327, 41922, 43566, 48654, 62883, 65349, 72981, 123437, 125766, 130698, 145962, 188649, 196047, 246874, 370311, 377298, 392094, 588141, 740622, 1110933, 1176282, 2221866, 3332799, 6665598, 9998397, 19996794]

約数ペア:

[(1, 19996794), (2, 9998397), (3, 6665598), (6, 3332799), (9, 2221866), (17, 1176282), (18, 1110933), (27, 740622), (34, 588141), (51, 392094), (53, 377298), (54, 370311), (81, 246874), (102, 196047), (106, 188649), (137, 145962), (153, 130698), (159, 125766), (162, 123437), (274, 72981), (306, 65349), (318, 62883), (411, 48654), (459, 43566), (477, 41922), (822, 24327), (901, 22194), (918, 21783), (954, 20961), (1233, 16218), (1377, 14522), (1431, 13974), (1802, 11097), (2329, 8586), (2466, 8109), (2703, 7398), (2754, 7261), (2862, 6987), (3699, 5406), (4293, 4658)]