19441940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7309}}^1$

素因数の和:7344

約数の個数: 48

約数和(自身を含む): 49123200

約数和(自身を除く): 29681260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7309, 14618, 29236, 36545, 51163, 73090, 102326, 138871, 146180, 204652, 255815, 277742, 511630, 555484, 694355, 972097, 1023260, 1388710, 1944194, 2777420, 3888388, 4860485, 9720970, 19441940]

約数ペア:

[(1, 19441940), (2, 9720970), (4, 4860485), (5, 3888388), (7, 2777420), (10, 1944194), (14, 1388710), (19, 1023260), (20, 972097), (28, 694355), (35, 555484), (38, 511630), (70, 277742), (76, 255815), (95, 204652), (133, 146180), (140, 138871), (190, 102326), (266, 73090), (380, 51163), (532, 36545), (665, 29236), (1330, 14618), (2660, 7309)]