19281010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 42999660

約数和(自身を除く): 23718650

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 109, 133, 190, 218, 245, 266, 361, 490, 545, 665, 722, 763, 931, 1090, 1330, 1526, 1805, 1862, 2071, 2527, 3610, 3815, 4142, 4655, 5054, 5341, 7630, 9310, 10355, 10682, 12635, 14497, 17689, 20710, 25270, 26705, 28994, 35378, 39349, 53410, 72485, 78698, 88445, 101479, 144970, 176890, 196745, 202958, 275443, 393490, 507395, 550886, 1014790, 1377215, 1928101, 2754430, 3856202, 9640505, 19281010]

約数ペア:

[(1, 19281010), (2, 9640505), (5, 3856202), (7, 2754430), (10, 1928101), (14, 1377215), (19, 1014790), (35, 550886), (38, 507395), (49, 393490), (70, 275443), (95, 202958), (98, 196745), (109, 176890), (133, 144970), (190, 101479), (218, 88445), (245, 78698), (266, 72485), (361, 53410), (490, 39349), (545, 35378), (665, 28994), (722, 26705), (763, 25270), (931, 20710), (1090, 17689), (1330, 14497), (1526, 12635), (1805, 10682), (1862, 10355), (2071, 9310), (2527, 7630), (3610, 5341), (3815, 5054), (4142, 4655)]