19907602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1481}}^1$

素因数の和:1554

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 15944942

約数列:

[1, 2, 11, 13, 22, 26, 47, 94, 143, 286, 517, 611, 1034, 1222, 1481, 2962, 6721, 13442, 16291, 19253, 32582, 38506, 69607, 139214, 211783, 423566, 765677, 904891, 1531354, 1809782, 9953801, 19907602]

約数ペア:

[(1, 19907602), (2, 9953801), (11, 1809782), (13, 1531354), (22, 904891), (26, 765677), (47, 423566), (94, 211783), (143, 139214), (286, 69607), (517, 38506), (611, 32582), (1034, 19253), (1222, 16291), (1481, 13442), (2962, 6721)]