19129396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 40134528

約数和(自身を除く): 21005132

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 53, 106, 143, 212, 286, 572, 583, 631, 689, 1166, 1262, 1378, 2332, 2524, 2756, 6941, 7579, 8203, 13882, 15158, 16406, 27764, 30316, 32812, 33443, 66886, 90233, 133772, 180466, 360932, 367873, 434759, 735746, 869518, 1471492, 1739036, 4782349, 9564698, 19129396]

約数ペア:

[(1, 19129396), (2, 9564698), (4, 4782349), (11, 1739036), (13, 1471492), (22, 869518), (26, 735746), (44, 434759), (52, 367873), (53, 360932), (106, 180466), (143, 133772), (212, 90233), (286, 66886), (572, 33443), (583, 32812), (631, 30316), (689, 27764), (1166, 16406), (1262, 15158), (1378, 13882), (2332, 8203), (2524, 7579), (2756, 6941)]