17888913380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{326083}}^1$

素因数の和:326316

約数の個数: 48

約数和(自身を含む): 40648327104

約数和(自身を除く): 22759413724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 2110, 2743, 4220, 5486, 10972, 13715, 27430, 54860, 326083, 652166, 1304332, 1630415, 3260830, 4239079, 6521660, 8478158, 16956316, 21195395, 42390790, 68803513, 84781580, 137607026, 275214052, 344017565, 688035130, 894445669, 1376070260, 1788891338, 3577782676, 4472228345, 8944456690, 17888913380]

約数ペア:

[(1, 17888913380), (2, 8944456690), (4, 4472228345), (5, 3577782676), (10, 1788891338), (13, 1376070260), (20, 894445669), (26, 688035130), (52, 344017565), (65, 275214052), (130, 137607026), (211, 84781580), (260, 68803513), (422, 42390790), (844, 21195395), (1055, 16956316), (2110, 8478158), (2743, 6521660), (4220, 4239079), (5486, 3260830), (10972, 1630415), (13715, 1304332), (27430, 652166), (54860, 326083)]