19398430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{193}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 38621520

約数和(自身を除く): 19223090

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 193, 230, 386, 437, 529, 874, 965, 1058, 1930, 2185, 2645, 3667, 4370, 4439, 5290, 7334, 8878, 10051, 18335, 20102, 22195, 36670, 44390, 50255, 84341, 100510, 102097, 168682, 204194, 421705, 510485, 843410, 1020970, 1939843, 3879686, 9699215, 19398430]

約数ペア:

[(1, 19398430), (2, 9699215), (5, 3879686), (10, 1939843), (19, 1020970), (23, 843410), (38, 510485), (46, 421705), (95, 204194), (115, 168682), (190, 102097), (193, 100510), (230, 84341), (386, 50255), (437, 44390), (529, 36670), (874, 22195), (965, 20102), (1058, 18335), (1930, 10051), (2185, 8878), (2645, 7334), (3667, 5290), (4370, 4439)]