18989370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1327}}^1$

素因数の和:1396

約数の個数: 64

約数和(自身を含む): 51632640

約数和(自身を除く): 32643270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 90, 106, 135, 159, 265, 270, 318, 477, 530, 795, 954, 1327, 1431, 1590, 2385, 2654, 2862, 3981, 4770, 6635, 7155, 7962, 11943, 13270, 14310, 19905, 23886, 35829, 39810, 59715, 70331, 71658, 119430, 140662, 179145, 210993, 351655, 358290, 421986, 632979, 703310, 1054965, 1265958, 1898937, 2109930, 3164895, 3797874, 6329790, 9494685, 18989370]

約数ペア:

[(1, 18989370), (2, 9494685), (3, 6329790), (5, 3797874), (6, 3164895), (9, 2109930), (10, 1898937), (15, 1265958), (18, 1054965), (27, 703310), (30, 632979), (45, 421986), (53, 358290), (54, 351655), (90, 210993), (106, 179145), (135, 140662), (159, 119430), (265, 71658), (270, 70331), (318, 59715), (477, 39810), (530, 35829), (795, 23886), (954, 19905), (1327, 14310), (1431, 13270), (1590, 11943), (2385, 7962), (2654, 7155), (2862, 6635), (3981, 4770)]