19220278

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{911}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 36246528

約数和(自身を除く): 17026250

約数列:

[1, 2, 7, 11, 14, 22, 77, 137, 154, 274, 911, 959, 1507, 1822, 1918, 3014, 6377, 10021, 10549, 12754, 20042, 21098, 70147, 124807, 140294, 249614, 873649, 1372877, 1747298, 2745754, 9610139, 19220278]

約数ペア:

[(1, 19220278), (2, 9610139), (7, 2745754), (11, 1747298), (14, 1372877), (22, 873649), (77, 249614), (137, 140294), (154, 124807), (274, 70147), (911, 21098), (959, 20042), (1507, 12754), (1822, 10549), (1918, 10021), (3014, 6377)]