18274060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 46252080

約数和(自身を除く): 27978020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 643, 812, 980, 1015, 1286, 1421, 2030, 2572, 2842, 3215, 4060, 4501, 5684, 6430, 7105, 9002, 12860, 14210, 18004, 18647, 22505, 28420, 31507, 37294, 45010, 63014, 74588, 90020, 93235, 126028, 130529, 157535, 186470, 261058, 315070, 372940, 522116, 630140, 652645, 913703, 1305290, 1827406, 2610580, 3654812, 4568515, 9137030, 18274060]

約数ペア:

[(1, 18274060), (2, 9137030), (4, 4568515), (5, 3654812), (7, 2610580), (10, 1827406), (14, 1305290), (20, 913703), (28, 652645), (29, 630140), (35, 522116), (49, 372940), (58, 315070), (70, 261058), (98, 186470), (116, 157535), (140, 130529), (145, 126028), (196, 93235), (203, 90020), (245, 74588), (290, 63014), (406, 45010), (490, 37294), (580, 31507), (643, 28420), (812, 22505), (980, 18647), (1015, 18004), (1286, 14210), (1421, 12860), (2030, 9002), (2572, 7105), (2842, 6430), (3215, 5684), (4060, 4501)]