18519808

素因数分解:

$2^8\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1080

約数の個数: 36

約数和(自身を含む): 37511488

約数和(自身を除く): 18991680

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 256, 292, 584, 991, 1168, 1982, 2336, 3964, 4672, 7928, 9344, 15856, 18688, 31712, 63424, 72343, 126848, 144686, 253696, 289372, 578744, 1157488, 2314976, 4629952, 9259904, 18519808]

約数ペア:

[(1, 18519808), (2, 9259904), (4, 4629952), (8, 2314976), (16, 1157488), (32, 578744), (64, 289372), (73, 253696), (128, 144686), (146, 126848), (256, 72343), (292, 63424), (584, 31712), (991, 18688), (1168, 15856), (1982, 9344), (2336, 7928), (3964, 4672)]