18747904

素因数分解:

$2^9\times 7^1\times {\mathrm{5231}}^1$

素因数の和:5256

約数の個数: 40

約数和(自身を含む): 42818688

約数和(自身を除く): 24070784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5231, 10462, 20924, 36617, 41848, 73234, 83696, 146468, 167392, 292936, 334784, 585872, 669568, 1171744, 1339136, 2343488, 2678272, 4686976, 9373952, 18747904]

約数ペア:

[(1, 18747904), (2, 9373952), (4, 4686976), (7, 2678272), (8, 2343488), (14, 1339136), (16, 1171744), (28, 669568), (32, 585872), (56, 334784), (64, 292936), (112, 167392), (128, 146468), (224, 83696), (256, 73234), (448, 41848), (512, 36617), (896, 20924), (1792, 10462), (3584, 5231)]