19661796

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 63842688

約数和(自身を除く): 44180892

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 41, 42, 44, 63, 66, 77, 82, 84, 99, 123, 126, 132, 154, 164, 173, 198, 231, 246, 252, 287, 308, 346, 369, 396, 451, 462, 492, 519, 574, 692, 693, 738, 861, 902, 924, 1038, 1148, 1211, 1353, 1386, 1476, 1557, 1722, 1804, 1903, 2076, 2422, 2583, 2706, 2772, 3114, 3157, 3444, 3633, 3806, 4059, 4844, 5166, 5412, 5709, 6228, 6314, 7093, 7266, 7612, 8118, 9471, 10332, 10899, 11418, 12628, 13321, 14186, 14532, 16236, 17127, 18942, 21279, 21798, 22836, 26642, 28372, 28413, 34254, 37884, 39963, 42558, 43596, 49651, 53284, 56826, 63837, 68508, 78023, 79926, 85116, 99302, 113652, 119889, 127674, 148953, 156046, 159852, 198604, 234069, 239778, 255348, 297906, 312092, 446859, 468138, 479556, 546161, 595812, 702207, 893718, 936276, 1092322, 1404414, 1638483, 1787436, 2184644, 2808828, 3276966, 4915449, 6553932, 9830898, 19661796]

約数ペア:

[(1, 19661796), (2, 9830898), (3, 6553932), (4, 4915449), (6, 3276966), (7, 2808828), (9, 2184644), (11, 1787436), (12, 1638483), (14, 1404414), (18, 1092322), (21, 936276), (22, 893718), (28, 702207), (33, 595812), (36, 546161), (41, 479556), (42, 468138), (44, 446859), (63, 312092), (66, 297906), (77, 255348), (82, 239778), (84, 234069), (99, 198604), (123, 159852), (126, 156046), (132, 148953), (154, 127674), (164, 119889), (173, 113652), (198, 99302), (231, 85116), (246, 79926), (252, 78023), (287, 68508), (308, 63837), (346, 56826), (369, 53284), (396, 49651), (451, 43596), (462, 42558), (492, 39963), (519, 37884), (574, 34254), (692, 28413), (693, 28372), (738, 26642), (861, 22836), (902, 21798), (924, 21279), (1038, 18942), (1148, 17127), (1211, 16236), (1353, 14532), (1386, 14186), (1476, 13321), (1557, 12628), (1722, 11418), (1804, 10899), (1903, 10332), (2076, 9471), (2422, 8118), (2583, 7612), (2706, 7266), (2772, 7093), (3114, 6314), (3157, 6228), (3444, 5709), (3633, 5412), (3806, 5166), (4059, 4844)]