19696506

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 43117536

約数和(自身を除く): 23421030

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 74, 102, 111, 222, 289, 307, 578, 614, 629, 867, 921, 1258, 1734, 1842, 1887, 3774, 5219, 10438, 10693, 11359, 15657, 21386, 22718, 31314, 32079, 34077, 64158, 68154, 88723, 177446, 193103, 266169, 386206, 532338, 579309, 1158618, 3282751, 6565502, 9848253, 19696506]

約数ペア:

[(1, 19696506), (2, 9848253), (3, 6565502), (6, 3282751), (17, 1158618), (34, 579309), (37, 532338), (51, 386206), (74, 266169), (102, 193103), (111, 177446), (222, 88723), (289, 68154), (307, 64158), (578, 34077), (614, 32079), (629, 31314), (867, 22718), (921, 21386), (1258, 15657), (1734, 11359), (1842, 10693), (1887, 10438), (3774, 5219)]