219947572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{222619}}^1$

素因数の和:222655

約数の個数: 24

約数和(自身を含む): 436335200

約数和(自身を除く): 216387628

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 222619, 445238, 890476, 2894047, 4229761, 5788094, 8459522, 11576188, 16919044, 54986893, 109973786, 219947572]

約数ペア:

[(1, 219947572), (2, 109973786), (4, 54986893), (13, 16919044), (19, 11576188), (26, 8459522), (38, 5788094), (52, 4229761), (76, 2894047), (247, 890476), (494, 445238), (988, 222619)]