19117280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 56445984

約数和(自身を除く): 37328704

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 101, 104, 112, 130, 140, 160, 169, 182, 202, 208, 224, 260, 280, 338, 364, 404, 416, 455, 505, 520, 560, 676, 707, 728, 808, 845, 910, 1010, 1040, 1120, 1183, 1313, 1352, 1414, 1456, 1616, 1690, 1820, 2020, 2080, 2366, 2626, 2704, 2828, 2912, 3232, 3380, 3535, 3640, 4040, 4732, 5252, 5408, 5656, 5915, 6565, 6760, 7070, 7280, 8080, 9191, 9464, 10504, 11312, 11830, 13130, 13520, 14140, 14560, 16160, 17069, 18382, 18928, 21008, 22624, 23660, 26260, 27040, 28280, 34138, 36764, 37856, 42016, 45955, 47320, 52520, 56560, 68276, 73528, 85345, 91910, 94640, 105040, 113120, 119483, 136552, 147056, 170690, 183820, 189280, 210080, 238966, 273104, 294112, 341380, 367640, 477932, 546208, 597415, 682760, 735280, 955864, 1194830, 1365520, 1470560, 1911728, 2389660, 2731040, 3823456, 4779320, 9558640, 19117280]

約数ペア:

[(1, 19117280), (2, 9558640), (4, 4779320), (5, 3823456), (7, 2731040), (8, 2389660), (10, 1911728), (13, 1470560), (14, 1365520), (16, 1194830), (20, 955864), (26, 735280), (28, 682760), (32, 597415), (35, 546208), (40, 477932), (52, 367640), (56, 341380), (65, 294112), (70, 273104), (80, 238966), (91, 210080), (101, 189280), (104, 183820), (112, 170690), (130, 147056), (140, 136552), (160, 119483), (169, 113120), (182, 105040), (202, 94640), (208, 91910), (224, 85345), (260, 73528), (280, 68276), (338, 56560), (364, 52520), (404, 47320), (416, 45955), (455, 42016), (505, 37856), (520, 36764), (560, 34138), (676, 28280), (707, 27040), (728, 26260), (808, 23660), (845, 22624), (910, 21008), (1010, 18928), (1040, 18382), (1120, 17069), (1183, 16160), (1313, 14560), (1352, 14140), (1414, 13520), (1456, 13130), (1616, 11830), (1690, 11312), (1820, 10504), (2020, 9464), (2080, 9191), (2366, 8080), (2626, 7280), (2704, 7070), (2828, 6760), (2912, 6565), (3232, 5915), (3380, 5656), (3535, 5408), (3640, 5252), (4040, 4732)]