18688670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1867}}^1$

素因数の和:1905

約数の個数: 64

約数和(自身を含む): 45190656

約数和(自身を除く): 26501986

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 1867, 2002, 3734, 5005, 9335, 10010, 13069, 18670, 20537, 24271, 26138, 41074, 48542, 65345, 102685, 121355, 130690, 143759, 169897, 205370, 242710, 266981, 287518, 339794, 533962, 718795, 849485, 1334905, 1437590, 1698970, 1868867, 2669810, 3737734, 9344335, 18688670]

約数ペア:

[(1, 18688670), (2, 9344335), (5, 3737734), (7, 2669810), (10, 1868867), (11, 1698970), (13, 1437590), (14, 1334905), (22, 849485), (26, 718795), (35, 533962), (55, 339794), (65, 287518), (70, 266981), (77, 242710), (91, 205370), (110, 169897), (130, 143759), (143, 130690), (154, 121355), (182, 102685), (286, 65345), (385, 48542), (455, 41074), (715, 26138), (770, 24271), (910, 20537), (1001, 18670), (1430, 13069), (1867, 10010), (2002, 9335), (3734, 5005)]