19919410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:931

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 25803470

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 238, 266, 323, 595, 646, 665, 881, 1190, 1330, 1615, 1762, 2261, 3230, 4405, 4522, 6167, 8810, 11305, 12334, 14977, 16739, 22610, 29954, 30835, 33478, 61670, 74885, 83695, 104839, 117173, 149770, 167390, 209678, 234346, 284563, 524195, 569126, 585865, 1048390, 1171730, 1422815, 1991941, 2845630, 3983882, 9959705, 19919410]

約数ペア:

[(1, 19919410), (2, 9959705), (5, 3983882), (7, 2845630), (10, 1991941), (14, 1422815), (17, 1171730), (19, 1048390), (34, 585865), (35, 569126), (38, 524195), (70, 284563), (85, 234346), (95, 209678), (119, 167390), (133, 149770), (170, 117173), (190, 104839), (238, 83695), (266, 74885), (323, 61670), (595, 33478), (646, 30835), (665, 29954), (881, 22610), (1190, 16739), (1330, 14977), (1615, 12334), (1762, 11305), (2261, 8810), (3230, 6167), (4405, 4522)]