201818988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:788

約数の個数: 144

約数和(自身を含む): 624682240

約数和(自身を除く): 422863252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 61, 63, 76, 84, 114, 122, 126, 133, 171, 183, 228, 244, 252, 266, 342, 366, 399, 427, 532, 549, 684, 691, 732, 798, 854, 1098, 1159, 1197, 1281, 1382, 1596, 1708, 2073, 2196, 2318, 2394, 2562, 2764, 3477, 3843, 4146, 4636, 4788, 4837, 5124, 6219, 6954, 7686, 8113, 8292, 9674, 10431, 12438, 13129, 13908, 14511, 15372, 16226, 19348, 20862, 24339, 24876, 26258, 29022, 32452, 39387, 41724, 42151, 43533, 48678, 52516, 58044, 73017, 78774, 84302, 87066, 91903, 97356, 118161, 126453, 146034, 157548, 168604, 174132, 183806, 236322, 252906, 275709, 292068, 295057, 367612, 379359, 472644, 505812, 551418, 590114, 758718, 800869, 827127, 885171, 1102836, 1180228, 1517436, 1601738, 1654254, 1770342, 2402607, 2655513, 3203476, 3308508, 3540684, 4805214, 5311026, 5606083, 7207821, 9610428, 10622052, 11212166, 14415642, 16818249, 22424332, 28831284, 33636498, 50454747, 67272996, 100909494, 201818988]

約数ペア:

[(1, 201818988), (2, 100909494), (3, 67272996), (4, 50454747), (6, 33636498), (7, 28831284), (9, 22424332), (12, 16818249), (14, 14415642), (18, 11212166), (19, 10622052), (21, 9610428), (28, 7207821), (36, 5606083), (38, 5311026), (42, 4805214), (57, 3540684), (61, 3308508), (63, 3203476), (76, 2655513), (84, 2402607), (114, 1770342), (122, 1654254), (126, 1601738), (133, 1517436), (171, 1180228), (183, 1102836), (228, 885171), (244, 827127), (252, 800869), (266, 758718), (342, 590114), (366, 551418), (399, 505812), (427, 472644), (532, 379359), (549, 367612), (684, 295057), (691, 292068), (732, 275709), (798, 252906), (854, 236322), (1098, 183806), (1159, 174132), (1197, 168604), (1281, 157548), (1382, 146034), (1596, 126453), (1708, 118161), (2073, 97356), (2196, 91903), (2318, 87066), (2394, 84302), (2562, 78774), (2764, 73017), (3477, 58044), (3843, 52516), (4146, 48678), (4636, 43533), (4788, 42151), (4837, 41724), (5124, 39387), (6219, 32452), (6954, 29022), (7686, 26258), (8113, 24876), (8292, 24339), (9674, 20862), (10431, 19348), (12438, 16226), (13129, 15372), (13908, 14511)]