18835164

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7369}}^1$

素因数の和:7450

約数の個数: 36

約数和(自身を含む): 48288240

約数和(自身を除く): 29453076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7369, 14738, 22107, 29476, 44214, 66321, 88428, 132642, 265284, 523199, 1046398, 1569597, 2092796, 3139194, 4708791, 6278388, 9417582, 18835164]

約数ペア:

[(1, 18835164), (2, 9417582), (3, 6278388), (4, 4708791), (6, 3139194), (9, 2092796), (12, 1569597), (18, 1046398), (36, 523199), (71, 265284), (142, 132642), (213, 88428), (284, 66321), (426, 44214), (639, 29476), (852, 22107), (1278, 14738), (2556, 7369)]