19918310958

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{8233}}^1$

素因数の和:8479

約数の個数: 144

約数和(自身を含む): 54326812176

約数和(自身を除く): 34408501218

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 211, 234, 273, 294, 422, 441, 546, 633, 637, 819, 882, 1266, 1274, 1477, 1638, 1899, 1911, 2743, 2954, 3798, 3822, 4431, 5486, 5733, 8229, 8233, 8862, 10339, 11466, 13293, 16458, 16466, 19201, 20678, 24687, 24699, 26586, 31017, 38402, 49374, 49398, 57603, 57631, 62034, 74097, 93051, 107029, 115206, 115262, 134407, 148194, 172809, 172893, 186102, 214058, 268814, 321087, 345618, 345786, 403221, 403417, 518679, 642174, 749203, 806442, 806834, 963261, 1037358, 1209663, 1210251, 1498406, 1737163, 1926522, 2247609, 2419326, 2420502, 3474326, 3630753, 4495218, 5211489, 5244421, 6742827, 7261506, 10422978, 10488842, 12160141, 13485654, 15634467, 15733263, 22583119, 24320282, 31268934, 31466526, 36480423, 45166238, 47199789, 67749357, 72960846, 85120987, 94399578, 109441269, 135498714, 158081833, 170241974, 203248071, 218882538, 255362961, 316163666, 406496142, 474245499, 510725922, 766088883, 948490998, 1106572831, 1422736497, 1532177766, 2213145662, 2845472994, 3319718493, 6639436986, 9959155479, 19918310958]

約数ペア:

[(1, 19918310958), (2, 9959155479), (3, 6639436986), (6, 3319718493), (7, 2845472994), (9, 2213145662), (13, 1532177766), (14, 1422736497), (18, 1106572831), (21, 948490998), (26, 766088883), (39, 510725922), (42, 474245499), (49, 406496142), (63, 316163666), (78, 255362961), (91, 218882538), (98, 203248071), (117, 170241974), (126, 158081833), (147, 135498714), (182, 109441269), (211, 94399578), (234, 85120987), (273, 72960846), (294, 67749357), (422, 47199789), (441, 45166238), (546, 36480423), (633, 31466526), (637, 31268934), (819, 24320282), (882, 22583119), (1266, 15733263), (1274, 15634467), (1477, 13485654), (1638, 12160141), (1899, 10488842), (1911, 10422978), (2743, 7261506), (2954, 6742827), (3798, 5244421), (3822, 5211489), (4431, 4495218), (5486, 3630753), (5733, 3474326), (8229, 2420502), (8233, 2419326), (8862, 2247609), (10339, 1926522), (11466, 1737163), (13293, 1498406), (16458, 1210251), (16466, 1209663), (19201, 1037358), (20678, 963261), (24687, 806834), (24699, 806442), (26586, 749203), (31017, 642174), (38402, 518679), (49374, 403417), (49398, 403221), (57603, 345786), (57631, 345618), (62034, 321087), (74097, 268814), (93051, 214058), (107029, 186102), (115206, 172893), (115262, 172809), (134407, 148194)]