19697958

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 52930560

約数和(自身を除く): 33232602

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 41, 42, 54, 62, 63, 82, 93, 123, 126, 186, 189, 217, 246, 279, 287, 369, 378, 434, 558, 574, 651, 738, 837, 861, 1107, 1271, 1302, 1674, 1681, 1722, 1953, 2214, 2542, 2583, 3362, 3813, 3906, 5043, 5166, 5859, 7626, 7749, 8897, 10086, 11439, 11718, 11767, 15129, 15498, 17794, 22878, 23534, 26691, 30258, 34317, 35301, 45387, 52111, 53382, 68634, 70602, 80073, 90774, 104222, 105903, 156333, 160146, 211806, 240219, 312666, 317709, 364777, 468999, 480438, 635418, 729554, 937998, 1094331, 1406997, 2188662, 2813994, 3282993, 6565986, 9848979, 19697958]

約数ペア:

[(1, 19697958), (2, 9848979), (3, 6565986), (6, 3282993), (7, 2813994), (9, 2188662), (14, 1406997), (18, 1094331), (21, 937998), (27, 729554), (31, 635418), (41, 480438), (42, 468999), (54, 364777), (62, 317709), (63, 312666), (82, 240219), (93, 211806), (123, 160146), (126, 156333), (186, 105903), (189, 104222), (217, 90774), (246, 80073), (279, 70602), (287, 68634), (369, 53382), (378, 52111), (434, 45387), (558, 35301), (574, 34317), (651, 30258), (738, 26691), (837, 23534), (861, 22878), (1107, 17794), (1271, 15498), (1302, 15129), (1674, 11767), (1681, 11718), (1722, 11439), (1953, 10086), (2214, 8897), (2542, 7749), (2583, 7626), (3362, 5859), (3813, 5166), (3906, 5043)]