19816776

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 64422540

約数和(自身を除く): 44605764

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 41, 42, 49, 56, 63, 72, 82, 84, 98, 123, 126, 137, 147, 164, 168, 196, 246, 252, 274, 287, 294, 328, 369, 392, 411, 441, 492, 504, 548, 574, 588, 738, 822, 861, 882, 959, 984, 1096, 1148, 1176, 1233, 1476, 1644, 1722, 1764, 1918, 2009, 2296, 2466, 2583, 2877, 2952, 3288, 3444, 3528, 3836, 4018, 4932, 5166, 5617, 5754, 6027, 6713, 6888, 7672, 8036, 8631, 9864, 10332, 11234, 11508, 12054, 13426, 16072, 16851, 17262, 18081, 20139, 20664, 22468, 23016, 24108, 26852, 33702, 34524, 36162, 39319, 40278, 44936, 48216, 50553, 53704, 60417, 67404, 69048, 72324, 78638, 80556, 101106, 117957, 120834, 134808, 144648, 157276, 161112, 202212, 235914, 241668, 275233, 314552, 353871, 404424, 471828, 483336, 550466, 707742, 825699, 943656, 1100932, 1415484, 1651398, 2201864, 2477097, 2830968, 3302796, 4954194, 6605592, 9908388, 19816776]

約数ペア:

[(1, 19816776), (2, 9908388), (3, 6605592), (4, 4954194), (6, 3302796), (7, 2830968), (8, 2477097), (9, 2201864), (12, 1651398), (14, 1415484), (18, 1100932), (21, 943656), (24, 825699), (28, 707742), (36, 550466), (41, 483336), (42, 471828), (49, 404424), (56, 353871), (63, 314552), (72, 275233), (82, 241668), (84, 235914), (98, 202212), (123, 161112), (126, 157276), (137, 144648), (147, 134808), (164, 120834), (168, 117957), (196, 101106), (246, 80556), (252, 78638), (274, 72324), (287, 69048), (294, 67404), (328, 60417), (369, 53704), (392, 50553), (411, 48216), (441, 44936), (492, 40278), (504, 39319), (548, 36162), (574, 34524), (588, 33702), (738, 26852), (822, 24108), (861, 23016), (882, 22468), (959, 20664), (984, 20139), (1096, 18081), (1148, 17262), (1176, 16851), (1233, 16072), (1476, 13426), (1644, 12054), (1722, 11508), (1764, 11234), (1918, 10332), (2009, 9864), (2296, 8631), (2466, 8036), (2583, 7672), (2877, 6888), (2952, 6713), (3288, 6027), (3444, 5754), (3528, 5617), (3836, 5166), (4018, 4932)]