19108920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2699}}^1$

素因数の和:2772

約数の個数: 64

約数和(自身を含む): 58320000

約数和(自身を除く): 39211080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 2699, 3540, 5398, 7080, 8097, 10796, 13495, 16194, 21592, 26990, 32388, 40485, 53980, 64776, 80970, 107960, 159241, 161940, 318482, 323880, 477723, 636964, 796205, 955446, 1273928, 1592410, 1910892, 2388615, 3184820, 3821784, 4777230, 6369640, 9554460, 19108920]

約数ペア:

[(1, 19108920), (2, 9554460), (3, 6369640), (4, 4777230), (5, 3821784), (6, 3184820), (8, 2388615), (10, 1910892), (12, 1592410), (15, 1273928), (20, 955446), (24, 796205), (30, 636964), (40, 477723), (59, 323880), (60, 318482), (118, 161940), (120, 159241), (177, 107960), (236, 80970), (295, 64776), (354, 53980), (472, 40485), (590, 32388), (708, 26990), (885, 21592), (1180, 16194), (1416, 13495), (1770, 10796), (2360, 8097), (2699, 7080), (3540, 5398)]