2019945616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313267}}^1$

素因数の和:313319

約数の個数: 40

約数和(自身を含む): 4350665984

約数和(自身を除く): 2330720368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 313267, 626534, 1253068, 2506136, 4072471, 5012272, 8144942, 9711277, 16289884, 19422554, 32579768, 38845108, 65159536, 77690216, 126246601, 155380432, 252493202, 504986404, 1009972808, 2019945616]

約数ペア:

[(1, 2019945616), (2, 1009972808), (4, 504986404), (8, 252493202), (13, 155380432), (16, 126246601), (26, 77690216), (31, 65159536), (52, 38845108), (62, 32579768), (104, 19422554), (124, 16289884), (208, 9711277), (248, 8144942), (403, 5012272), (496, 4072471), (806, 2506136), (1612, 1253068), (3224, 626534), (6448, 313267)]