18994626

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{647}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 47309184

約数和(自身を除く): 28314558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 233, 466, 647, 699, 1294, 1398, 1631, 1941, 2097, 3262, 3882, 4194, 4529, 4893, 5823, 9058, 9786, 11646, 13587, 14679, 27174, 29358, 40761, 81522, 150751, 301502, 452253, 904506, 1055257, 1356759, 2110514, 2713518, 3165771, 6331542, 9497313, 18994626]

約数ペア:

[(1, 18994626), (2, 9497313), (3, 6331542), (6, 3165771), (7, 2713518), (9, 2110514), (14, 1356759), (18, 1055257), (21, 904506), (42, 452253), (63, 301502), (126, 150751), (233, 81522), (466, 40761), (647, 29358), (699, 27174), (1294, 14679), (1398, 13587), (1631, 11646), (1941, 9786), (2097, 9058), (3262, 5823), (3882, 4893), (4194, 4529)]