19531468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 20465972

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 61, 76, 122, 209, 244, 383, 418, 671, 766, 836, 1159, 1342, 1532, 2318, 2684, 4213, 4636, 7277, 8426, 12749, 14554, 16852, 23363, 25498, 29108, 46726, 50996, 80047, 93452, 160094, 256993, 320188, 443897, 513986, 887794, 1027972, 1775588, 4882867, 9765734, 19531468]

約数ペア:

[(1, 19531468), (2, 9765734), (4, 4882867), (11, 1775588), (19, 1027972), (22, 887794), (38, 513986), (44, 443897), (61, 320188), (76, 256993), (122, 160094), (209, 93452), (244, 80047), (383, 50996), (418, 46726), (671, 29108), (766, 25498), (836, 23363), (1159, 16852), (1342, 14554), (1532, 12749), (2318, 8426), (2684, 7277), (4213, 4636)]