19878534

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9439}}^1$

素因数の和:9466

約数の個数: 40

約数和(自身を含む): 47974080

約数和(自身を除く): 28095546

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9439, 18878, 28317, 56634, 84951, 122707, 169902, 245414, 254853, 368121, 509706, 736242, 764559, 1104363, 1529118, 2208726, 3313089, 6626178, 9939267, 19878534]

約数ペア:

[(1, 19878534), (2, 9939267), (3, 6626178), (6, 3313089), (9, 2208726), (13, 1529118), (18, 1104363), (26, 764559), (27, 736242), (39, 509706), (54, 368121), (78, 254853), (81, 245414), (117, 169902), (162, 122707), (234, 84951), (351, 56634), (702, 28317), (1053, 18878), (2106, 9439)]