19555020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12071}}^1$

素因数の和:12092

約数の個数: 60

約数和(自身を含む): 61349904

約数和(自身を除く): 41794884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12071, 24142, 36213, 48284, 60355, 72426, 108639, 120710, 144852, 181065, 217278, 241420, 325917, 362130, 434556, 543195, 651834, 724260, 977751, 1086390, 1303668, 1629585, 1955502, 2172780, 3259170, 3911004, 4888755, 6518340, 9777510, 19555020]

約数ペア:

[(1, 19555020), (2, 9777510), (3, 6518340), (4, 4888755), (5, 3911004), (6, 3259170), (9, 2172780), (10, 1955502), (12, 1629585), (15, 1303668), (18, 1086390), (20, 977751), (27, 724260), (30, 651834), (36, 543195), (45, 434556), (54, 362130), (60, 325917), (81, 241420), (90, 217278), (108, 181065), (135, 144852), (162, 120710), (180, 108639), (270, 72426), (324, 60355), (405, 48284), (540, 36213), (810, 24142), (1620, 12071)]