18679818

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{607}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 39223296

約数和(自身を除く): 20543478

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 223, 446, 607, 669, 1214, 1338, 1821, 3642, 5129, 10258, 13961, 15387, 27922, 30774, 41883, 83766, 135361, 270722, 406083, 812166, 3113303, 6226606, 9339909, 18679818]

約数ペア:

[(1, 18679818), (2, 9339909), (3, 6226606), (6, 3113303), (23, 812166), (46, 406083), (69, 270722), (138, 135361), (223, 83766), (446, 41883), (607, 30774), (669, 27922), (1214, 15387), (1338, 13961), (1821, 10258), (3642, 5129)]