19797810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 51148800

約数和(自身を除く): 31350990

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 47, 57, 94, 95, 114, 141, 190, 235, 282, 285, 470, 570, 705, 739, 893, 1410, 1478, 1786, 2217, 2679, 3695, 4434, 4465, 5358, 7390, 8930, 11085, 13395, 14041, 22170, 26790, 28082, 34733, 42123, 69466, 70205, 84246, 104199, 140410, 173665, 208398, 210615, 347330, 421230, 520995, 659927, 1041990, 1319854, 1979781, 3299635, 3959562, 6599270, 9898905, 19797810]

約数ペア:

[(1, 19797810), (2, 9898905), (3, 6599270), (5, 3959562), (6, 3299635), (10, 1979781), (15, 1319854), (19, 1041990), (30, 659927), (38, 520995), (47, 421230), (57, 347330), (94, 210615), (95, 208398), (114, 173665), (141, 140410), (190, 104199), (235, 84246), (282, 70205), (285, 69466), (470, 42123), (570, 34733), (705, 28082), (739, 26790), (893, 22170), (1410, 14041), (1478, 13395), (1786, 11085), (2217, 8930), (2679, 7390), (3695, 5358), (4434, 4465)]