19417932

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^2\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 54

約数和(自身を含む): 50250564

約数和(自身を除く): 30832632

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 107, 142, 213, 214, 284, 321, 426, 428, 639, 642, 852, 963, 1278, 1284, 1926, 2556, 3852, 5041, 7597, 10082, 15123, 15194, 20164, 22791, 30246, 30388, 45369, 45582, 60492, 68373, 90738, 91164, 136746, 181476, 273492, 539387, 1078774, 1618161, 2157548, 3236322, 4854483, 6472644, 9708966, 19417932]

約数ペア:

[(1, 19417932), (2, 9708966), (3, 6472644), (4, 4854483), (6, 3236322), (9, 2157548), (12, 1618161), (18, 1078774), (36, 539387), (71, 273492), (107, 181476), (142, 136746), (213, 91164), (214, 90738), (284, 68373), (321, 60492), (426, 45582), (428, 45369), (639, 30388), (642, 30246), (852, 22791), (963, 20164), (1278, 15194), (1284, 15123), (1926, 10082), (2556, 7597), (3852, 5041)]