19842056

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1889}}^1$

素因数の和:2009

約数の個数: 32

約数和(自身を含む): 40483800

約数和(自身を除く): 20641744

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 1889, 2626, 3778, 5252, 7556, 10504, 15112, 24557, 49114, 98228, 190789, 196456, 381578, 763156, 1526312, 2480257, 4960514, 9921028, 19842056]

約数ペア:

[(1, 19842056), (2, 9921028), (4, 4960514), (8, 2480257), (13, 1526312), (26, 763156), (52, 381578), (101, 196456), (104, 190789), (202, 98228), (404, 49114), (808, 24557), (1313, 15112), (1889, 10504), (2626, 7556), (3778, 5252)]