19280457580

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{353}}^1\times {\mathrm{9859}}^1$

素因数の和:10498

約数の個数: 48

約数和(自身を含む): 40754377440

約数和(自身を除く): 21473919860

約数列:

[1, 2, 4, 5, 10, 20, 277, 353, 554, 706, 1108, 1385, 1412, 1765, 2770, 3530, 5540, 7060, 9859, 19718, 39436, 49295, 97781, 98590, 195562, 197180, 391124, 488905, 977810, 1955620, 2730943, 3480227, 5461886, 6960454, 10923772, 13654715, 13920908, 17401135, 27309430, 34802270, 54618860, 69604540, 964022879, 1928045758, 3856091516, 4820114395, 9640228790, 19280457580]

約数ペア:

[(1, 19280457580), (2, 9640228790), (4, 4820114395), (5, 3856091516), (10, 1928045758), (20, 964022879), (277, 69604540), (353, 54618860), (554, 34802270), (706, 27309430), (1108, 17401135), (1385, 13920908), (1412, 13654715), (1765, 10923772), (2770, 6960454), (3530, 5461886), (5540, 3480227), (7060, 2730943), (9859, 1955620), (19718, 977810), (39436, 488905), (49295, 391124), (97781, 197180), (98590, 195562)]