18870772

素因数分解:

$2^2\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 33622400

約数和(自身を除く): 14751628

約数列:

[1, 2, 4, 151, 157, 199, 302, 314, 398, 604, 628, 796, 23707, 30049, 31243, 47414, 60098, 62486, 94828, 120196, 124972, 4717693, 9435386, 18870772]

約数ペア:

[(1, 18870772), (2, 9435386), (4, 4717693), (151, 124972), (157, 120196), (199, 94828), (302, 62486), (314, 60098), (398, 47414), (604, 31243), (628, 30049), (796, 23707)]