17889220

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7043}}^1$

素因数の和:7179

約数の個数: 24

約数和(自身を含む): 37868544

約数和(自身を除く): 19979324

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7043, 14086, 28172, 35215, 70430, 140860, 894461, 1788922, 3577844, 4472305, 8944610, 17889220]

約数ペア:

[(1, 17889220), (2, 8944610), (4, 4472305), (5, 3577844), (10, 1788922), (20, 894461), (127, 140860), (254, 70430), (508, 35215), (635, 28172), (1270, 14086), (2540, 7043)]