18940386

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 38786688

約数和(自身を除く): 19846302

約数列:

[1, 2, 3, 6, 71, 142, 173, 213, 257, 346, 426, 514, 519, 771, 1038, 1542, 12283, 18247, 24566, 36494, 36849, 44461, 54741, 73698, 88922, 109482, 133383, 266766, 3156731, 6313462, 9470193, 18940386]

約数ペア:

[(1, 18940386), (2, 9470193), (3, 6313462), (6, 3156731), (71, 266766), (142, 133383), (173, 109482), (213, 88922), (257, 73698), (346, 54741), (426, 44461), (514, 36849), (519, 36494), (771, 24566), (1038, 18247), (1542, 12283)]