19246240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:534

約数の個数: 96

約数和(自身を含む): 51649920

約数和(自身を除く): 32403680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 487, 494, 520, 608, 760, 974, 988, 1040, 1235, 1520, 1948, 1976, 2080, 2435, 2470, 3040, 3896, 3952, 4870, 4940, 6331, 7792, 7904, 9253, 9740, 9880, 12662, 15584, 18506, 19480, 19760, 25324, 31655, 37012, 38960, 39520, 46265, 50648, 63310, 74024, 77920, 92530, 101296, 120289, 126620, 148048, 185060, 202592, 240578, 253240, 296096, 370120, 481156, 506480, 601445, 740240, 962312, 1012960, 1202890, 1480480, 1924624, 2405780, 3849248, 4811560, 9623120, 19246240]

約数ペア:

[(1, 19246240), (2, 9623120), (4, 4811560), (5, 3849248), (8, 2405780), (10, 1924624), (13, 1480480), (16, 1202890), (19, 1012960), (20, 962312), (26, 740240), (32, 601445), (38, 506480), (40, 481156), (52, 370120), (65, 296096), (76, 253240), (80, 240578), (95, 202592), (104, 185060), (130, 148048), (152, 126620), (160, 120289), (190, 101296), (208, 92530), (247, 77920), (260, 74024), (304, 63310), (380, 50648), (416, 46265), (487, 39520), (494, 38960), (520, 37012), (608, 31655), (760, 25324), (974, 19760), (988, 19480), (1040, 18506), (1235, 15584), (1520, 12662), (1948, 9880), (1976, 9740), (2080, 9253), (2435, 7904), (2470, 7792), (3040, 6331), (3896, 4940), (3952, 4870)]