17878356

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 48432384

約数和(自身を除く): 30554028

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 131, 153, 204, 223, 262, 306, 393, 446, 524, 612, 669, 786, 892, 1179, 1338, 1572, 2007, 2227, 2358, 2676, 3791, 4014, 4454, 4716, 6681, 7582, 8028, 8908, 11373, 13362, 15164, 20043, 22746, 26724, 29213, 34119, 40086, 45492, 58426, 68238, 80172, 87639, 116852, 136476, 175278, 262917, 350556, 496621, 525834, 993242, 1051668, 1489863, 1986484, 2979726, 4469589, 5959452, 8939178, 17878356]

約数ペア:

[(1, 17878356), (2, 8939178), (3, 5959452), (4, 4469589), (6, 2979726), (9, 1986484), (12, 1489863), (17, 1051668), (18, 993242), (34, 525834), (36, 496621), (51, 350556), (68, 262917), (102, 175278), (131, 136476), (153, 116852), (204, 87639), (223, 80172), (262, 68238), (306, 58426), (393, 45492), (446, 40086), (524, 34119), (612, 29213), (669, 26724), (786, 22746), (892, 20043), (1179, 15164), (1338, 13362), (1572, 11373), (2007, 8908), (2227, 8028), (2358, 7582), (2676, 6681), (3791, 4716), (4014, 4454)]