19457256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 61286400

約数和(自身を除く): 41829144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 59, 78, 84, 91, 104, 118, 151, 156, 168, 177, 182, 236, 273, 302, 312, 354, 364, 413, 453, 472, 546, 604, 708, 728, 767, 826, 906, 1057, 1092, 1208, 1239, 1416, 1534, 1652, 1812, 1963, 2114, 2184, 2301, 2478, 3068, 3171, 3304, 3624, 3926, 4228, 4602, 4956, 5369, 5889, 6136, 6342, 7852, 8456, 8909, 9204, 9912, 10738, 11778, 12684, 13741, 15704, 16107, 17818, 18408, 21476, 23556, 25368, 26727, 27482, 32214, 35636, 41223, 42952, 47112, 53454, 54964, 62363, 64428, 71272, 82446, 106908, 109928, 115817, 124726, 128856, 164892, 187089, 213816, 231634, 249452, 329784, 347451, 374178, 463268, 498904, 694902, 748356, 810719, 926536, 1389804, 1496712, 1621438, 2432157, 2779608, 3242876, 4864314, 6485752, 9728628, 19457256]

約数ペア:

[(1, 19457256), (2, 9728628), (3, 6485752), (4, 4864314), (6, 3242876), (7, 2779608), (8, 2432157), (12, 1621438), (13, 1496712), (14, 1389804), (21, 926536), (24, 810719), (26, 748356), (28, 694902), (39, 498904), (42, 463268), (52, 374178), (56, 347451), (59, 329784), (78, 249452), (84, 231634), (91, 213816), (104, 187089), (118, 164892), (151, 128856), (156, 124726), (168, 115817), (177, 109928), (182, 106908), (236, 82446), (273, 71272), (302, 64428), (312, 62363), (354, 54964), (364, 53454), (413, 47112), (453, 42952), (472, 41223), (546, 35636), (604, 32214), (708, 27482), (728, 26727), (767, 25368), (826, 23556), (906, 21476), (1057, 18408), (1092, 17818), (1208, 16107), (1239, 15704), (1416, 13741), (1534, 12684), (1652, 11778), (1812, 10738), (1963, 9912), (2114, 9204), (2184, 8909), (2301, 8456), (2478, 7852), (3068, 6342), (3171, 6136), (3304, 5889), (3624, 5369), (3926, 4956), (4228, 4602)]