19197640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 37204280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 271, 280, 308, 322, 385, 440, 460, 506, 542, 616, 644, 770, 805, 920, 1012, 1084, 1265, 1288, 1355, 1540, 1610, 1771, 1897, 2024, 2168, 2530, 2710, 2981, 3080, 3220, 3542, 3794, 5060, 5420, 5962, 6233, 6440, 7084, 7588, 8855, 9485, 10120, 10840, 11924, 12466, 14168, 14905, 15176, 17710, 18970, 20867, 23848, 24932, 29810, 31165, 35420, 37940, 41734, 43631, 49864, 59620, 62330, 68563, 70840, 75880, 83468, 87262, 104335, 119240, 124660, 137126, 166936, 174524, 208670, 218155, 249320, 274252, 342815, 349048, 417340, 436310, 479941, 548504, 685630, 834680, 872620, 959882, 1371260, 1745240, 1919764, 2399705, 2742520, 3839528, 4799410, 9598820, 19197640]

約数ペア:

[(1, 19197640), (2, 9598820), (4, 4799410), (5, 3839528), (7, 2742520), (8, 2399705), (10, 1919764), (11, 1745240), (14, 1371260), (20, 959882), (22, 872620), (23, 834680), (28, 685630), (35, 548504), (40, 479941), (44, 436310), (46, 417340), (55, 349048), (56, 342815), (70, 274252), (77, 249320), (88, 218155), (92, 208670), (110, 174524), (115, 166936), (140, 137126), (154, 124660), (161, 119240), (184, 104335), (220, 87262), (230, 83468), (253, 75880), (271, 70840), (280, 68563), (308, 62330), (322, 59620), (385, 49864), (440, 43631), (460, 41734), (506, 37940), (542, 35420), (616, 31165), (644, 29810), (770, 24932), (805, 23848), (920, 20867), (1012, 18970), (1084, 17710), (1265, 15176), (1288, 14905), (1355, 14168), (1540, 12466), (1610, 11924), (1771, 10840), (1897, 10120), (2024, 9485), (2168, 8855), (2530, 7588), (2710, 7084), (2981, 6440), (3080, 6233), (3220, 5962), (3542, 5420), (3794, 5060)]