18915381116

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{367}}^1\times {\mathrm{773}}^1$

素因数の和:1434

約数の個数: 48

約数和(自身を含む): 33815255040

約数和(自身を除く): 14899873924

約数列:

[1, 2, 4, 79, 158, 211, 316, 367, 422, 734, 773, 844, 1468, 1546, 3092, 16669, 28993, 33338, 57986, 61067, 66676, 77437, 115972, 122134, 154874, 163103, 244268, 283691, 309748, 326206, 567382, 652412, 1134764, 6117523, 12235046, 12885137, 22411589, 24470092, 25770274, 44823178, 51540548, 59858801, 89646356, 119717602, 239435204, 4728845279, 9457690558, 18915381116]

約数ペア:

[(1, 18915381116), (2, 9457690558), (4, 4728845279), (79, 239435204), (158, 119717602), (211, 89646356), (316, 59858801), (367, 51540548), (422, 44823178), (734, 25770274), (773, 24470092), (844, 22411589), (1468, 12885137), (1546, 12235046), (3092, 6117523), (16669, 1134764), (28993, 652412), (33338, 567382), (57986, 326206), (61067, 309748), (66676, 283691), (77437, 244268), (115972, 163103), (122134, 154874)]