18923880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{881}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 38229720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179, 358, 537, 716, 881, 895, 1074, 1432, 1762, 1790, 2148, 2643, 2685, 3524, 3580, 4296, 4405, 5286, 5370, 7048, 7160, 8810, 10572, 10740, 13215, 17620, 21144, 21480, 26430, 35240, 52860, 105720, 157699, 315398, 473097, 630796, 788495, 946194, 1261592, 1576990, 1892388, 2365485, 3153980, 3784776, 4730970, 6307960, 9461940, 18923880]

約数ペア:

[(1, 18923880), (2, 9461940), (3, 6307960), (4, 4730970), (5, 3784776), (6, 3153980), (8, 2365485), (10, 1892388), (12, 1576990), (15, 1261592), (20, 946194), (24, 788495), (30, 630796), (40, 473097), (60, 315398), (120, 157699), (179, 105720), (358, 52860), (537, 35240), (716, 26430), (881, 21480), (895, 21144), (1074, 17620), (1432, 13215), (1762, 10740), (1790, 10572), (2148, 8810), (2643, 7160), (2685, 7048), (3524, 5370), (3580, 5286), (4296, 4405)]