19409240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 49070880

約数和(自身を除く): 29661640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 73, 85, 92, 115, 136, 146, 170, 184, 230, 289, 292, 340, 365, 391, 460, 578, 584, 680, 730, 782, 920, 1156, 1241, 1445, 1460, 1564, 1679, 1955, 2312, 2482, 2890, 2920, 3128, 3358, 3910, 4964, 5780, 6205, 6647, 6716, 7820, 8395, 9928, 11560, 12410, 13294, 13432, 15640, 16790, 21097, 24820, 26588, 28543, 33235, 33580, 42194, 49640, 53176, 57086, 66470, 67160, 84388, 105485, 114172, 132940, 142715, 168776, 210970, 228344, 265880, 285430, 421940, 485231, 570860, 843880, 970462, 1141720, 1940924, 2426155, 3881848, 4852310, 9704620, 19409240]

約数ペア:

[(1, 19409240), (2, 9704620), (4, 4852310), (5, 3881848), (8, 2426155), (10, 1940924), (17, 1141720), (20, 970462), (23, 843880), (34, 570860), (40, 485231), (46, 421940), (68, 285430), (73, 265880), (85, 228344), (92, 210970), (115, 168776), (136, 142715), (146, 132940), (170, 114172), (184, 105485), (230, 84388), (289, 67160), (292, 66470), (340, 57086), (365, 53176), (391, 49640), (460, 42194), (578, 33580), (584, 33235), (680, 28543), (730, 26588), (782, 24820), (920, 21097), (1156, 16790), (1241, 15640), (1445, 13432), (1460, 13294), (1564, 12410), (1679, 11560), (1955, 9928), (2312, 8395), (2482, 7820), (2890, 6716), (2920, 6647), (3128, 6205), (3358, 5780), (3910, 4964)]