19756990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{613}}^1$

素因数の和:924

約数の個数: 32

約数和(自身を含む): 38991456

約数和(自身を除く): 19234466

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 293, 586, 613, 1226, 1465, 2930, 3065, 3223, 6130, 6446, 6743, 13486, 16115, 32230, 33715, 67430, 179609, 359218, 898045, 1796090, 1975699, 3951398, 9878495, 19756990]

約数ペア:

[(1, 19756990), (2, 9878495), (5, 3951398), (10, 1975699), (11, 1796090), (22, 898045), (55, 359218), (110, 179609), (293, 67430), (586, 33715), (613, 32230), (1226, 16115), (1465, 13486), (2930, 6743), (3065, 6446), (3223, 6130)]