2019505905

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{16603}}^1$

素因数の和:16687

約数の個数: 64

約数和(自身を含む): 3873381120

約数和(自身を除く): 1853875215

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 53, 85, 135, 153, 159, 255, 265, 459, 477, 765, 795, 901, 1431, 2295, 2385, 2703, 4505, 7155, 8109, 13515, 16603, 24327, 40545, 49809, 83015, 121635, 149427, 249045, 282251, 448281, 747135, 846753, 879959, 1411255, 2241405, 2540259, 2639877, 4233765, 4399795, 7620777, 7919631, 12701295, 13199385, 14959303, 23758893, 38103885, 39598155, 44877909, 74796515, 118794465, 134633727, 224389545, 403901181, 673168635, 2019505905]

約数ペア:

[(1, 2019505905), (3, 673168635), (5, 403901181), (9, 224389545), (15, 134633727), (17, 118794465), (27, 74796515), (45, 44877909), (51, 39598155), (53, 38103885), (85, 23758893), (135, 14959303), (153, 13199385), (159, 12701295), (255, 7919631), (265, 7620777), (459, 4399795), (477, 4233765), (765, 2639877), (795, 2540259), (901, 2241405), (1431, 1411255), (2295, 879959), (2385, 846753), (2703, 747135), (4505, 448281), (7155, 282251), (8109, 249045), (13515, 149427), (16603, 121635), (24327, 83015), (40545, 49809)]