17836820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 40031040

約数和(自身を除く): 22194220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 643, 730, 1286, 1387, 1460, 2572, 2774, 3215, 5548, 6430, 6935, 12217, 12860, 13870, 24434, 27740, 46939, 48868, 61085, 93878, 122170, 187756, 234695, 244340, 469390, 891841, 938780, 1783682, 3567364, 4459205, 8918410, 17836820]

約数ペア:

[(1, 17836820), (2, 8918410), (4, 4459205), (5, 3567364), (10, 1783682), (19, 938780), (20, 891841), (38, 469390), (73, 244340), (76, 234695), (95, 187756), (146, 122170), (190, 93878), (292, 61085), (365, 48868), (380, 46939), (643, 27740), (730, 24434), (1286, 13870), (1387, 12860), (1460, 12217), (2572, 6935), (2774, 6430), (3215, 5548)]