19294240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 55847232

約数和(自身を除く): 36552992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 107, 112, 115, 140, 160, 161, 184, 196, 214, 224, 230, 245, 280, 322, 368, 392, 428, 460, 490, 535, 560, 644, 736, 749, 784, 805, 856, 920, 980, 1070, 1120, 1127, 1288, 1498, 1568, 1610, 1712, 1840, 1960, 2140, 2254, 2461, 2576, 2996, 3220, 3424, 3680, 3745, 3920, 4280, 4508, 4922, 5152, 5243, 5635, 5992, 6440, 7490, 7840, 8560, 9016, 9844, 10486, 11270, 11984, 12305, 12880, 14980, 17120, 17227, 18032, 19688, 20972, 22540, 23968, 24610, 25760, 26215, 29960, 34454, 36064, 39376, 41944, 45080, 49220, 52430, 59920, 68908, 78752, 83888, 86135, 90160, 98440, 104860, 119840, 120589, 137816, 167776, 172270, 180320, 196880, 209720, 241178, 275632, 344540, 393760, 419440, 482356, 551264, 602945, 689080, 838880, 964712, 1205890, 1378160, 1929424, 2411780, 2756320, 3858848, 4823560, 9647120, 19294240]

約数ペア:

[(1, 19294240), (2, 9647120), (4, 4823560), (5, 3858848), (7, 2756320), (8, 2411780), (10, 1929424), (14, 1378160), (16, 1205890), (20, 964712), (23, 838880), (28, 689080), (32, 602945), (35, 551264), (40, 482356), (46, 419440), (49, 393760), (56, 344540), (70, 275632), (80, 241178), (92, 209720), (98, 196880), (107, 180320), (112, 172270), (115, 167776), (140, 137816), (160, 120589), (161, 119840), (184, 104860), (196, 98440), (214, 90160), (224, 86135), (230, 83888), (245, 78752), (280, 68908), (322, 59920), (368, 52430), (392, 49220), (428, 45080), (460, 41944), (490, 39376), (535, 36064), (560, 34454), (644, 29960), (736, 26215), (749, 25760), (784, 24610), (805, 23968), (856, 22540), (920, 20972), (980, 19688), (1070, 18032), (1120, 17227), (1127, 17120), (1288, 14980), (1498, 12880), (1568, 12305), (1610, 11984), (1712, 11270), (1840, 10486), (1960, 9844), (2140, 9016), (2254, 8560), (2461, 7840), (2576, 7490), (2996, 6440), (3220, 5992), (3424, 5635), (3680, 5243), (3745, 5152), (3920, 4922), (4280, 4508)]