19884930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:851

約数の個数: 64

約数和(自身を含む): 52230528

約数和(自身を除く): 32345598

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 67, 78, 130, 134, 195, 201, 335, 390, 402, 670, 761, 871, 1005, 1522, 1742, 2010, 2283, 2613, 3805, 4355, 4566, 5226, 7610, 8710, 9893, 11415, 13065, 19786, 22830, 26130, 29679, 49465, 50987, 59358, 98930, 101974, 148395, 152961, 254935, 296790, 305922, 509870, 662831, 764805, 1325662, 1529610, 1988493, 3314155, 3976986, 6628310, 9942465, 19884930]

約数ペア:

[(1, 19884930), (2, 9942465), (3, 6628310), (5, 3976986), (6, 3314155), (10, 1988493), (13, 1529610), (15, 1325662), (26, 764805), (30, 662831), (39, 509870), (65, 305922), (67, 296790), (78, 254935), (130, 152961), (134, 148395), (195, 101974), (201, 98930), (335, 59358), (390, 50987), (402, 49465), (670, 29679), (761, 26130), (871, 22830), (1005, 19786), (1522, 13065), (1742, 11415), (2010, 9893), (2283, 8710), (2613, 7610), (3805, 5226), (4355, 4566)]