18491648

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 44739072

約数和(自身を除く): 26247424

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 544, 607, 896, 952, 1088, 1214, 1792, 1904, 2176, 2428, 3808, 4249, 4352, 4856, 7616, 8498, 9712, 10319, 15232, 16996, 19424, 20638, 30464, 33992, 38848, 41276, 67984, 72233, 77696, 82552, 135968, 144466, 155392, 165104, 271936, 288932, 330208, 543872, 577864, 660416, 1087744, 1155728, 1320832, 2311456, 2641664, 4622912, 9245824, 18491648]

約数ペア:

[(1, 18491648), (2, 9245824), (4, 4622912), (7, 2641664), (8, 2311456), (14, 1320832), (16, 1155728), (17, 1087744), (28, 660416), (32, 577864), (34, 543872), (56, 330208), (64, 288932), (68, 271936), (112, 165104), (119, 155392), (128, 144466), (136, 135968), (224, 82552), (238, 77696), (256, 72233), (272, 67984), (448, 41276), (476, 38848), (544, 33992), (607, 30464), (896, 20638), (952, 19424), (1088, 16996), (1214, 15232), (1792, 10319), (1904, 9712), (2176, 8498), (2428, 7616), (3808, 4856), (4249, 4352)]