19653942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2281

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 31955658

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 66, 77, 114, 133, 154, 209, 231, 266, 399, 418, 462, 627, 798, 1254, 1463, 2239, 2926, 4389, 4478, 6717, 8778, 13434, 15673, 24629, 31346, 42541, 47019, 49258, 73887, 85082, 94038, 127623, 147774, 172403, 255246, 297787, 344806, 467951, 517209, 595574, 893361, 935902, 1034418, 1403853, 1786722, 2807706, 3275657, 6551314, 9826971, 19653942]

約数ペア:

[(1, 19653942), (2, 9826971), (3, 6551314), (6, 3275657), (7, 2807706), (11, 1786722), (14, 1403853), (19, 1034418), (21, 935902), (22, 893361), (33, 595574), (38, 517209), (42, 467951), (57, 344806), (66, 297787), (77, 255246), (114, 172403), (133, 147774), (154, 127623), (209, 94038), (231, 85082), (266, 73887), (399, 49258), (418, 47019), (462, 42541), (627, 31346), (798, 24629), (1254, 15673), (1463, 13434), (2239, 8778), (2926, 6717), (4389, 4478)]