19890816

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 61248960

約数和(自身を除く): 41358144

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 32, 33, 34, 44, 48, 51, 64, 66, 68, 88, 96, 102, 128, 132, 136, 176, 187, 192, 204, 264, 272, 277, 352, 374, 384, 408, 528, 544, 554, 561, 704, 748, 816, 831, 1056, 1088, 1108, 1122, 1408, 1496, 1632, 1662, 2112, 2176, 2216, 2244, 2992, 3047, 3264, 3324, 4224, 4432, 4488, 4709, 5984, 6094, 6528, 6648, 8864, 8976, 9141, 9418, 11968, 12188, 13296, 14127, 17728, 17952, 18282, 18836, 23936, 24376, 26592, 28254, 35456, 35904, 36564, 37672, 48752, 51799, 53184, 56508, 71808, 73128, 75344, 97504, 103598, 106368, 113016, 146256, 150688, 155397, 195008, 207196, 226032, 292512, 301376, 310794, 390016, 414392, 452064, 585024, 602752, 621588, 828784, 904128, 1170048, 1243176, 1657568, 1808256, 2486352, 3315136, 4972704, 6630272, 9945408, 19890816]

約数ペア:

[(1, 19890816), (2, 9945408), (3, 6630272), (4, 4972704), (6, 3315136), (8, 2486352), (11, 1808256), (12, 1657568), (16, 1243176), (17, 1170048), (22, 904128), (24, 828784), (32, 621588), (33, 602752), (34, 585024), (44, 452064), (48, 414392), (51, 390016), (64, 310794), (66, 301376), (68, 292512), (88, 226032), (96, 207196), (102, 195008), (128, 155397), (132, 150688), (136, 146256), (176, 113016), (187, 106368), (192, 103598), (204, 97504), (264, 75344), (272, 73128), (277, 71808), (352, 56508), (374, 53184), (384, 51799), (408, 48752), (528, 37672), (544, 36564), (554, 35904), (561, 35456), (704, 28254), (748, 26592), (816, 24376), (831, 23936), (1056, 18836), (1088, 18282), (1108, 17952), (1122, 17728), (1408, 14127), (1496, 13296), (1632, 12188), (1662, 11968), (2112, 9418), (2176, 9141), (2216, 8976), (2244, 8864), (2992, 6648), (3047, 6528), (3264, 6094), (3324, 5984), (4224, 4709), (4432, 4488)]