18931878

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1549}}^1$

素因数の和:1661

約数の個数: 48

約数和(自身を含む): 47392800

約数和(自身を除く): 28460922

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 97, 126, 194, 291, 582, 679, 873, 1358, 1549, 1746, 2037, 3098, 4074, 4647, 6111, 9294, 10843, 12222, 13941, 21686, 27882, 32529, 65058, 97587, 150253, 195174, 300506, 450759, 901518, 1051771, 1352277, 2103542, 2704554, 3155313, 6310626, 9465939, 18931878]

約数ペア:

[(1, 18931878), (2, 9465939), (3, 6310626), (6, 3155313), (7, 2704554), (9, 2103542), (14, 1352277), (18, 1051771), (21, 901518), (42, 450759), (63, 300506), (97, 195174), (126, 150253), (194, 97587), (291, 65058), (582, 32529), (679, 27882), (873, 21686), (1358, 13941), (1549, 12222), (1746, 10843), (2037, 9294), (3098, 6111), (4074, 4647)]