19913948280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18438841}}^1$

素因数の和:18438861

約数の個数: 64

約数和(自身を含む): 66379831200

約数和(自身を除く): 46465882920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18438841, 36877682, 55316523, 73755364, 92194205, 110633046, 147510728, 165949569, 184388410, 221266092, 276582615, 331899138, 368776820, 442532184, 497848707, 553165230, 663798276, 737553640, 829747845, 995697414, 1106330460, 1327596552, 1659495690, 1991394828, 2212660920, 2489243535, 3318991380, 3982789656, 4978487070, 6637982760, 9956974140, 19913948280]

約数ペア:

[(1, 19913948280), (2, 9956974140), (3, 6637982760), (4, 4978487070), (5, 3982789656), (6, 3318991380), (8, 2489243535), (9, 2212660920), (10, 1991394828), (12, 1659495690), (15, 1327596552), (18, 1106330460), (20, 995697414), (24, 829747845), (27, 737553640), (30, 663798276), (36, 553165230), (40, 497848707), (45, 442532184), (54, 368776820), (60, 331899138), (72, 276582615), (90, 221266092), (108, 184388410), (120, 165949569), (135, 147510728), (180, 110633046), (216, 92194205), (270, 73755364), (360, 55316523), (540, 36877682), (1080, 18438841)]