18913023896

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:438

約数の個数: 128

約数和(自身を含む): 39938304000

約数和(自身を除く): 21025280104

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 127, 148, 169, 229, 254, 296, 338, 458, 481, 508, 676, 916, 962, 1016, 1352, 1651, 1832, 1924, 2197, 2977, 3302, 3848, 4394, 4699, 5954, 6253, 6604, 8473, 8788, 9398, 11908, 12506, 13208, 16946, 17576, 18796, 21463, 23816, 25012, 29083, 33892, 37592, 38701, 42926, 50024, 58166, 61087, 67784, 77402, 81289, 85852, 110149, 116332, 122174, 154804, 162578, 171704, 220298, 232664, 244348, 279019, 309608, 325156, 378079, 440596, 488696, 503113, 558038, 650312, 756158, 794131, 881192, 1006226, 1076071, 1116076, 1431937, 1512316, 1588262, 2012452, 2152142, 2232152, 2863874, 3024632, 3176524, 4024904, 4304284, 4915027, 5727748, 6353048, 8608568, 9830054, 10323703, 11455496, 13988923, 18615181, 19660108, 20647406, 27977846, 37230362, 39320216, 41294812, 55955692, 63895351, 74460724, 82589624, 111911384, 127790702, 148921448, 181855999, 255581404, 363711998, 511162808, 727423996, 1454847992, 2364127987, 4728255974, 9456511948, 18913023896]

約数ペア:

[(1, 18913023896), (2, 9456511948), (4, 4728255974), (8, 2364127987), (13, 1454847992), (26, 727423996), (37, 511162808), (52, 363711998), (74, 255581404), (104, 181855999), (127, 148921448), (148, 127790702), (169, 111911384), (229, 82589624), (254, 74460724), (296, 63895351), (338, 55955692), (458, 41294812), (481, 39320216), (508, 37230362), (676, 27977846), (916, 20647406), (962, 19660108), (1016, 18615181), (1352, 13988923), (1651, 11455496), (1832, 10323703), (1924, 9830054), (2197, 8608568), (2977, 6353048), (3302, 5727748), (3848, 4915027), (4394, 4304284), (4699, 4024904), (5954, 3176524), (6253, 3024632), (6604, 2863874), (8473, 2232152), (8788, 2152142), (9398, 2012452), (11908, 1588262), (12506, 1512316), (13208, 1431937), (16946, 1116076), (17576, 1076071), (18796, 1006226), (21463, 881192), (23816, 794131), (25012, 756158), (29083, 650312), (33892, 558038), (37592, 503113), (38701, 488696), (42926, 440596), (50024, 378079), (58166, 325156), (61087, 309608), (67784, 279019), (77402, 244348), (81289, 232664), (85852, 220298), (110149, 171704), (116332, 162578), (122174, 154804)]