19202216

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 21016984

約数列:

[1, 2, 4, 8, 11, 22, 44, 83, 88, 121, 166, 239, 242, 332, 478, 484, 664, 913, 956, 968, 1826, 1912, 2629, 3652, 5258, 7304, 10043, 10516, 19837, 20086, 21032, 28919, 39674, 40172, 57838, 79348, 80344, 115676, 158696, 218207, 231352, 436414, 872828, 1745656, 2400277, 4800554, 9601108, 19202216]

約数ペア:

[(1, 19202216), (2, 9601108), (4, 4800554), (8, 2400277), (11, 1745656), (22, 872828), (44, 436414), (83, 231352), (88, 218207), (121, 158696), (166, 115676), (239, 80344), (242, 79348), (332, 57838), (478, 40172), (484, 39674), (664, 28919), (913, 21032), (956, 20086), (968, 19837), (1826, 10516), (1912, 10043), (2629, 7304), (3652, 5258)]