19516952

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 50803200

約数和(自身を除く): 31286248

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 19, 26, 28, 34, 38, 52, 56, 68, 76, 83, 91, 104, 119, 133, 136, 152, 166, 182, 221, 238, 247, 266, 323, 332, 364, 442, 476, 494, 532, 581, 646, 664, 728, 884, 952, 988, 1064, 1079, 1162, 1292, 1411, 1547, 1577, 1729, 1768, 1976, 2158, 2261, 2324, 2584, 2822, 3094, 3154, 3458, 4199, 4316, 4522, 4648, 5644, 6188, 6308, 6916, 7553, 8398, 8632, 9044, 9877, 11039, 11288, 12376, 12616, 13832, 15106, 16796, 18088, 18343, 19754, 20501, 22078, 26809, 29393, 30212, 33592, 36686, 39508, 41002, 44156, 53618, 58786, 60424, 73372, 79016, 82004, 88312, 107236, 117572, 128401, 143507, 146744, 164008, 187663, 214472, 235144, 256802, 287014, 348517, 375326, 513604, 574028, 697034, 750652, 1027208, 1148056, 1394068, 1501304, 2439619, 2788136, 4879238, 9758476, 19516952]

約数ペア:

[(1, 19516952), (2, 9758476), (4, 4879238), (7, 2788136), (8, 2439619), (13, 1501304), (14, 1394068), (17, 1148056), (19, 1027208), (26, 750652), (28, 697034), (34, 574028), (38, 513604), (52, 375326), (56, 348517), (68, 287014), (76, 256802), (83, 235144), (91, 214472), (104, 187663), (119, 164008), (133, 146744), (136, 143507), (152, 128401), (166, 117572), (182, 107236), (221, 88312), (238, 82004), (247, 79016), (266, 73372), (323, 60424), (332, 58786), (364, 53618), (442, 44156), (476, 41002), (494, 39508), (532, 36686), (581, 33592), (646, 30212), (664, 29393), (728, 26809), (884, 22078), (952, 20501), (988, 19754), (1064, 18343), (1079, 18088), (1162, 16796), (1292, 15106), (1411, 13832), (1547, 12616), (1577, 12376), (1729, 11288), (1768, 11039), (1976, 9877), (2158, 9044), (2261, 8632), (2324, 8398), (2584, 7553), (2822, 6916), (3094, 6308), (3154, 6188), (3458, 5644), (4199, 4648), (4316, 4522)]