19231520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:263

約数の個数: 144

約数和(自身を含む): 57915648

約数和(自身を除く): 38684128

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 223, 224, 245, 280, 308, 352, 385, 392, 440, 446, 490, 539, 560, 616, 770, 784, 880, 892, 980, 1078, 1115, 1120, 1232, 1540, 1561, 1568, 1760, 1784, 1960, 2156, 2230, 2453, 2464, 2695, 3080, 3122, 3568, 3920, 4312, 4460, 4906, 5390, 6160, 6244, 7136, 7805, 7840, 8624, 8920, 9812, 10780, 10927, 12265, 12320, 12488, 15610, 17171, 17248, 17840, 19624, 21560, 21854, 24530, 24976, 31220, 34342, 35680, 39248, 43120, 43708, 49060, 49952, 54635, 62440, 68684, 78496, 85855, 86240, 87416, 98120, 109270, 120197, 124880, 137368, 171710, 174832, 196240, 218540, 240394, 249760, 274736, 343420, 349664, 392480, 437080, 480788, 549472, 600985, 686840, 874160, 961576, 1201970, 1373680, 1748320, 1923152, 2403940, 2747360, 3846304, 4807880, 9615760, 19231520]

約数ペア:

[(1, 19231520), (2, 9615760), (4, 4807880), (5, 3846304), (7, 2747360), (8, 2403940), (10, 1923152), (11, 1748320), (14, 1373680), (16, 1201970), (20, 961576), (22, 874160), (28, 686840), (32, 600985), (35, 549472), (40, 480788), (44, 437080), (49, 392480), (55, 349664), (56, 343420), (70, 274736), (77, 249760), (80, 240394), (88, 218540), (98, 196240), (110, 174832), (112, 171710), (140, 137368), (154, 124880), (160, 120197), (176, 109270), (196, 98120), (220, 87416), (223, 86240), (224, 85855), (245, 78496), (280, 68684), (308, 62440), (352, 54635), (385, 49952), (392, 49060), (440, 43708), (446, 43120), (490, 39248), (539, 35680), (560, 34342), (616, 31220), (770, 24976), (784, 24530), (880, 21854), (892, 21560), (980, 19624), (1078, 17840), (1115, 17248), (1120, 17171), (1232, 15610), (1540, 12488), (1561, 12320), (1568, 12265), (1760, 10927), (1784, 10780), (1960, 9812), (2156, 8920), (2230, 8624), (2453, 7840), (2464, 7805), (2695, 7136), (3080, 6244), (3122, 6160), (3568, 5390), (3920, 4906), (4312, 4460)]