18645738

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 38169600

約数和(自身を除く): 19523862

約数列:

[1, 2, 3, 6, 79, 139, 158, 237, 278, 283, 417, 474, 566, 834, 849, 1698, 10981, 21962, 22357, 32943, 39337, 44714, 65886, 67071, 78674, 118011, 134142, 236022, 3107623, 6215246, 9322869, 18645738]

約数ペア:

[(1, 18645738), (2, 9322869), (3, 6215246), (6, 3107623), (79, 236022), (139, 134142), (158, 118011), (237, 78674), (278, 67071), (283, 65886), (417, 44714), (474, 39337), (566, 32943), (834, 22357), (849, 21962), (1698, 10981)]