17948630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 38776320

約数和(自身を除く): 20827690

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 67, 70, 86, 89, 134, 178, 215, 301, 335, 430, 445, 469, 602, 623, 670, 890, 938, 1246, 1505, 2345, 2881, 3010, 3115, 3827, 4690, 5762, 5963, 6230, 7654, 11926, 14405, 19135, 20167, 26789, 28810, 29815, 38270, 40334, 41741, 53578, 59630, 83482, 100835, 133945, 201670, 208705, 256409, 267890, 417410, 512818, 1282045, 1794863, 2564090, 3589726, 8974315, 17948630]

約数ペア:

[(1, 17948630), (2, 8974315), (5, 3589726), (7, 2564090), (10, 1794863), (14, 1282045), (35, 512818), (43, 417410), (67, 267890), (70, 256409), (86, 208705), (89, 201670), (134, 133945), (178, 100835), (215, 83482), (301, 59630), (335, 53578), (430, 41741), (445, 40334), (469, 38270), (602, 29815), (623, 28810), (670, 26789), (890, 20167), (938, 19135), (1246, 14405), (1505, 11926), (2345, 7654), (2881, 6230), (3010, 5963), (3115, 5762), (3827, 4690)]