19873610

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1318

約数の個数: 32

約数和(自身を含む): 37884672

約数和(自身を除く): 18011062

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 230, 355, 710, 1217, 1633, 2434, 3266, 6085, 8165, 12170, 16330, 27991, 55982, 86407, 139955, 172814, 279910, 432035, 864070, 1987361, 3974722, 9936805, 19873610]

約数ペア:

[(1, 19873610), (2, 9936805), (5, 3974722), (10, 1987361), (23, 864070), (46, 432035), (71, 279910), (115, 172814), (142, 139955), (230, 86407), (355, 55982), (710, 27991), (1217, 16330), (1633, 12170), (2434, 8165), (3266, 6085)]