19815284

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 35303520

約数和(自身を除く): 15488236

約数列:

[1, 2, 4, 139, 157, 227, 278, 314, 454, 556, 628, 908, 21823, 31553, 35639, 43646, 63106, 71278, 87292, 126212, 142556, 4953821, 9907642, 19815284]

約数ペア:

[(1, 19815284), (2, 9907642), (4, 4953821), (139, 142556), (157, 126212), (227, 87292), (278, 71278), (314, 63106), (454, 43646), (556, 35639), (628, 31553), (908, 21823)]