19041840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:571

約数の個数: 120

約数和(自身を含む): 65286000

約数和(自身を除く): 46244160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 499, 530, 636, 720, 795, 848, 954, 998, 1060, 1272, 1497, 1590, 1908, 1996, 2120, 2385, 2495, 2544, 2994, 3180, 3816, 3992, 4240, 4491, 4770, 4990, 5988, 6360, 7485, 7632, 7984, 8982, 9540, 9980, 11976, 12720, 14970, 17964, 19080, 19960, 22455, 23952, 26447, 29940, 35928, 38160, 39920, 44910, 52894, 59880, 71856, 79341, 89820, 105788, 119760, 132235, 158682, 179640, 211576, 238023, 264470, 317364, 359280, 396705, 423152, 476046, 528940, 634728, 793410, 952092, 1057880, 1190115, 1269456, 1586820, 1904184, 2115760, 2380230, 3173640, 3808368, 4760460, 6347280, 9520920, 19041840]

約数ペア:

[(1, 19041840), (2, 9520920), (3, 6347280), (4, 4760460), (5, 3808368), (6, 3173640), (8, 2380230), (9, 2115760), (10, 1904184), (12, 1586820), (15, 1269456), (16, 1190115), (18, 1057880), (20, 952092), (24, 793410), (30, 634728), (36, 528940), (40, 476046), (45, 423152), (48, 396705), (53, 359280), (60, 317364), (72, 264470), (80, 238023), (90, 211576), (106, 179640), (120, 158682), (144, 132235), (159, 119760), (180, 105788), (212, 89820), (240, 79341), (265, 71856), (318, 59880), (360, 52894), (424, 44910), (477, 39920), (499, 38160), (530, 35928), (636, 29940), (720, 26447), (795, 23952), (848, 22455), (954, 19960), (998, 19080), (1060, 17964), (1272, 14970), (1497, 12720), (1590, 11976), (1908, 9980), (1996, 9540), (2120, 8982), (2385, 7984), (2495, 7632), (2544, 7485), (2994, 6360), (3180, 5988), (3816, 4990), (3992, 4770), (4240, 4491)]