19391680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1$

素因数の和:822

約数の個数: 112

約数和(自身を含む): 57643776

約数和(自身を除く): 38252096

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 787, 880, 1120, 1232, 1540, 1574, 1760, 2240, 2464, 3080, 3148, 3520, 3935, 4928, 5509, 6160, 6296, 7870, 8657, 11018, 12320, 12592, 15740, 17314, 22036, 24640, 25184, 27545, 31480, 34628, 43285, 44072, 50368, 55090, 60599, 62960, 69256, 86570, 88144, 110180, 121198, 125920, 138512, 173140, 176288, 220360, 242396, 251840, 277024, 302995, 346280, 352576, 440720, 484792, 554048, 605990, 692560, 881440, 969584, 1211980, 1385120, 1762880, 1939168, 2423960, 2770240, 3878336, 4847920, 9695840, 19391680]

約数ペア:

[(1, 19391680), (2, 9695840), (4, 4847920), (5, 3878336), (7, 2770240), (8, 2423960), (10, 1939168), (11, 1762880), (14, 1385120), (16, 1211980), (20, 969584), (22, 881440), (28, 692560), (32, 605990), (35, 554048), (40, 484792), (44, 440720), (55, 352576), (56, 346280), (64, 302995), (70, 277024), (77, 251840), (80, 242396), (88, 220360), (110, 176288), (112, 173140), (140, 138512), (154, 125920), (160, 121198), (176, 110180), (220, 88144), (224, 86570), (280, 69256), (308, 62960), (320, 60599), (352, 55090), (385, 50368), (440, 44072), (448, 43285), (560, 34628), (616, 31480), (704, 27545), (770, 25184), (787, 24640), (880, 22036), (1120, 17314), (1232, 15740), (1540, 12592), (1574, 12320), (1760, 11018), (2240, 8657), (2464, 7870), (3080, 6296), (3148, 6160), (3520, 5509), (3935, 4928)]