18712528

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:551

約数の個数: 40

約数和(自身を含む): 37832648

約数和(自身を除く): 19120120

約数列:

[1, 2, 4, 8, 16, 37, 73, 74, 146, 148, 292, 296, 433, 584, 592, 866, 1168, 1732, 2701, 3464, 5402, 6928, 10804, 16021, 21608, 31609, 32042, 43216, 63218, 64084, 126436, 128168, 252872, 256336, 505744, 1169533, 2339066, 4678132, 9356264, 18712528]

約数ペア:

[(1, 18712528), (2, 9356264), (4, 4678132), (8, 2339066), (16, 1169533), (37, 505744), (73, 256336), (74, 252872), (146, 128168), (148, 126436), (292, 64084), (296, 63218), (433, 43216), (584, 32042), (592, 31609), (866, 21608), (1168, 16021), (1732, 10804), (2701, 6928), (3464, 5402)]