19886880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3187}}^1$

素因数の和:3218

約数の個数: 96

約数和(自身を含む): 67483584

約数和(自身を除く): 47596704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 3187, 6240, 6374, 9561, 12748, 15935, 19122, 25496, 31870, 38244, 41431, 47805, 50992, 63740, 76488, 82862, 95610, 101984, 124293, 127480, 152976, 165724, 191220, 207155, 248586, 254960, 305952, 331448, 382440, 414310, 497172, 509920, 621465, 662896, 764880, 828620, 994344, 1242930, 1325792, 1529760, 1657240, 1988688, 2485860, 3314480, 3977376, 4971720, 6628960, 9943440, 19886880]

約数ペア:

[(1, 19886880), (2, 9943440), (3, 6628960), (4, 4971720), (5, 3977376), (6, 3314480), (8, 2485860), (10, 1988688), (12, 1657240), (13, 1529760), (15, 1325792), (16, 1242930), (20, 994344), (24, 828620), (26, 764880), (30, 662896), (32, 621465), (39, 509920), (40, 497172), (48, 414310), (52, 382440), (60, 331448), (65, 305952), (78, 254960), (80, 248586), (96, 207155), (104, 191220), (120, 165724), (130, 152976), (156, 127480), (160, 124293), (195, 101984), (208, 95610), (240, 82862), (260, 76488), (312, 63740), (390, 50992), (416, 47805), (480, 41431), (520, 38244), (624, 31870), (780, 25496), (1040, 19122), (1248, 15935), (1560, 12748), (2080, 9561), (3120, 6374), (3187, 6240)]