19684592

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:897

約数の個数: 40

約数和(自身を含む): 40174512

約数和(自身を除く): 20489920

約数列:

[1, 2, 4, 8, 16, 37, 41, 74, 82, 148, 164, 296, 328, 592, 656, 811, 1517, 1622, 3034, 3244, 6068, 6488, 12136, 12976, 24272, 30007, 33251, 60014, 66502, 120028, 133004, 240056, 266008, 480112, 532016, 1230287, 2460574, 4921148, 9842296, 19684592]

約数ペア:

[(1, 19684592), (2, 9842296), (4, 4921148), (8, 2460574), (16, 1230287), (37, 532016), (41, 480112), (74, 266008), (82, 240056), (148, 133004), (164, 120028), (296, 66502), (328, 60014), (592, 33251), (656, 30007), (811, 24272), (1517, 12976), (1622, 12136), (3034, 6488), (3244, 6068)]