18835456

素因数分解:

$2^{11}\times {\mathrm{17}}^1\times {\mathrm{541}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 39950820

約数和(自身を除く): 21115364

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 541, 544, 1024, 1082, 1088, 2048, 2164, 2176, 4328, 4352, 8656, 8704, 9197, 17312, 17408, 18394, 34624, 34816, 36788, 69248, 73576, 138496, 147152, 276992, 294304, 553984, 588608, 1107968, 1177216, 2354432, 4708864, 9417728, 18835456]

約数ペア:

[(1, 18835456), (2, 9417728), (4, 4708864), (8, 2354432), (16, 1177216), (17, 1107968), (32, 588608), (34, 553984), (64, 294304), (68, 276992), (128, 147152), (136, 138496), (256, 73576), (272, 69248), (512, 36788), (541, 34816), (544, 34624), (1024, 18394), (1082, 17408), (1088, 17312), (2048, 9197), (2164, 8704), (2176, 8656), (4328, 4352)]