19618270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 22683170

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 67, 70, 89, 94, 134, 178, 235, 329, 335, 445, 469, 470, 623, 658, 670, 890, 938, 1246, 1645, 2345, 3115, 3149, 3290, 4183, 4690, 5963, 6230, 6298, 8366, 11926, 15745, 20915, 22043, 29281, 29815, 31490, 41741, 41830, 44086, 58562, 59630, 83482, 110215, 146405, 208705, 220430, 280261, 292810, 417410, 560522, 1401305, 1961827, 2802610, 3923654, 9809135, 19618270]

約数ペア:

[(1, 19618270), (2, 9809135), (5, 3923654), (7, 2802610), (10, 1961827), (14, 1401305), (35, 560522), (47, 417410), (67, 292810), (70, 280261), (89, 220430), (94, 208705), (134, 146405), (178, 110215), (235, 83482), (329, 59630), (335, 58562), (445, 44086), (469, 41830), (470, 41741), (623, 31490), (658, 29815), (670, 29281), (890, 22043), (938, 20915), (1246, 15745), (1645, 11926), (2345, 8366), (3115, 6298), (3149, 6230), (3290, 5963), (4183, 4690)]