19696768

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 51408000

約数和(自身を除く): 31711232

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 89, 91, 104, 112, 128, 133, 152, 178, 182, 208, 224, 247, 266, 304, 356, 364, 416, 448, 494, 532, 608, 623, 712, 728, 832, 896, 988, 1064, 1157, 1216, 1246, 1424, 1456, 1664, 1691, 1729, 1976, 2128, 2314, 2432, 2492, 2848, 2912, 3382, 3458, 3952, 4256, 4628, 4984, 5696, 5824, 6764, 6916, 7904, 8099, 8512, 9256, 9968, 11392, 11648, 11837, 13528, 13832, 15808, 16198, 17024, 18512, 19936, 21983, 23674, 27056, 27664, 31616, 32396, 37024, 39872, 43966, 47348, 54112, 55328, 64792, 74048, 79744, 87932, 94696, 108224, 110656, 129584, 148096, 153881, 175864, 189392, 216448, 221312, 259168, 307762, 351728, 378784, 518336, 615524, 703456, 757568, 1036672, 1231048, 1406912, 1515136, 2462096, 2813824, 4924192, 9848384, 19696768]

約数ペア:

[(1, 19696768), (2, 9848384), (4, 4924192), (7, 2813824), (8, 2462096), (13, 1515136), (14, 1406912), (16, 1231048), (19, 1036672), (26, 757568), (28, 703456), (32, 615524), (38, 518336), (52, 378784), (56, 351728), (64, 307762), (76, 259168), (89, 221312), (91, 216448), (104, 189392), (112, 175864), (128, 153881), (133, 148096), (152, 129584), (178, 110656), (182, 108224), (208, 94696), (224, 87932), (247, 79744), (266, 74048), (304, 64792), (356, 55328), (364, 54112), (416, 47348), (448, 43966), (494, 39872), (532, 37024), (608, 32396), (623, 31616), (712, 27664), (728, 27056), (832, 23674), (896, 21983), (988, 19936), (1064, 18512), (1157, 17024), (1216, 16198), (1246, 15808), (1424, 13832), (1456, 13528), (1664, 11837), (1691, 11648), (1729, 11392), (1976, 9968), (2128, 9256), (2314, 8512), (2432, 8099), (2492, 7904), (2848, 6916), (2912, 6764), (3382, 5824), (3458, 5696), (3952, 4984), (4256, 4628)]