19533904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{93913}}^1$

素因数の和:93934

約数の個数: 20

約数和(自身を含む): 40758676

約数和(自身を除く): 21224772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 93913, 187826, 375652, 751304, 1220869, 1502608, 2441738, 4883476, 9766952, 19533904]

約数ペア:

[(1, 19533904), (2, 9766952), (4, 4883476), (8, 2441738), (13, 1502608), (16, 1220869), (26, 751304), (52, 375652), (104, 187826), (208, 93913)]