19936700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1539

約数の個数: 72

約数和(自身を含む): 52080000

約数和(自身を除く): 32143300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1499, 1900, 2660, 2998, 3325, 5996, 6650, 7495, 10493, 13300, 14990, 20986, 28481, 29980, 37475, 41972, 52465, 56962, 74950, 104930, 113924, 142405, 149900, 199367, 209860, 262325, 284810, 398734, 524650, 569620, 712025, 797468, 996835, 1049300, 1424050, 1993670, 2848100, 3987340, 4984175, 9968350, 19936700]

約数ペア:

[(1, 19936700), (2, 9968350), (4, 4984175), (5, 3987340), (7, 2848100), (10, 1993670), (14, 1424050), (19, 1049300), (20, 996835), (25, 797468), (28, 712025), (35, 569620), (38, 524650), (50, 398734), (70, 284810), (76, 262325), (95, 209860), (100, 199367), (133, 149900), (140, 142405), (175, 113924), (190, 104930), (266, 74950), (350, 56962), (380, 52465), (475, 41972), (532, 37475), (665, 29980), (700, 28481), (950, 20986), (1330, 14990), (1499, 13300), (1900, 10493), (2660, 7495), (2998, 6650), (3325, 5996)]