18683850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{431}}^1$

素因数の和:480

約数の個数: 72

約数和(自身を含む): 49336128

約数和(自身を除く): 30652278

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 289, 425, 431, 510, 578, 850, 862, 867, 1275, 1293, 1445, 1734, 2155, 2550, 2586, 2890, 4310, 4335, 6465, 7225, 7327, 8670, 10775, 12930, 14450, 14654, 21550, 21675, 21981, 32325, 36635, 43350, 43962, 64650, 73270, 109905, 124559, 183175, 219810, 249118, 366350, 373677, 549525, 622795, 747354, 1099050, 1245590, 1868385, 3113975, 3736770, 6227950, 9341925, 18683850]

約数ペア:

[(1, 18683850), (2, 9341925), (3, 6227950), (5, 3736770), (6, 3113975), (10, 1868385), (15, 1245590), (17, 1099050), (25, 747354), (30, 622795), (34, 549525), (50, 373677), (51, 366350), (75, 249118), (85, 219810), (102, 183175), (150, 124559), (170, 109905), (255, 73270), (289, 64650), (425, 43962), (431, 43350), (510, 36635), (578, 32325), (850, 21981), (862, 21675), (867, 21550), (1275, 14654), (1293, 14450), (1445, 12930), (1734, 10775), (2155, 8670), (2550, 7327), (2586, 7225), (2890, 6465), (4310, 4335)]