19023760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:261

約数の個数: 120

約数和(自身を含む): 53942976

約数和(自身を除く): 34919216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 211, 230, 245, 280, 322, 368, 392, 422, 460, 490, 560, 644, 784, 805, 844, 920, 980, 1055, 1127, 1288, 1477, 1610, 1688, 1840, 1960, 2110, 2254, 2576, 2954, 3220, 3376, 3920, 4220, 4508, 4853, 5635, 5908, 6440, 7385, 8440, 9016, 9706, 10339, 11270, 11816, 12880, 14770, 16880, 18032, 19412, 20678, 22540, 23632, 24265, 29540, 33971, 38824, 41356, 45080, 48530, 51695, 59080, 67942, 77648, 82712, 90160, 97060, 103390, 118160, 135884, 165424, 169855, 194120, 206780, 237797, 271768, 339710, 388240, 413560, 475594, 543536, 679420, 827120, 951188, 1188985, 1358840, 1902376, 2377970, 2717680, 3804752, 4755940, 9511880, 19023760]

約数ペア:

[(1, 19023760), (2, 9511880), (4, 4755940), (5, 3804752), (7, 2717680), (8, 2377970), (10, 1902376), (14, 1358840), (16, 1188985), (20, 951188), (23, 827120), (28, 679420), (35, 543536), (40, 475594), (46, 413560), (49, 388240), (56, 339710), (70, 271768), (80, 237797), (92, 206780), (98, 194120), (112, 169855), (115, 165424), (140, 135884), (161, 118160), (184, 103390), (196, 97060), (211, 90160), (230, 82712), (245, 77648), (280, 67942), (322, 59080), (368, 51695), (392, 48530), (422, 45080), (460, 41356), (490, 38824), (560, 33971), (644, 29540), (784, 24265), (805, 23632), (844, 22540), (920, 20678), (980, 19412), (1055, 18032), (1127, 16880), (1288, 14770), (1477, 12880), (1610, 11816), (1688, 11270), (1840, 10339), (1960, 9706), (2110, 9016), (2254, 8440), (2576, 7385), (2954, 6440), (3220, 5908), (3376, 5635), (3920, 4853), (4220, 4508)]