19220410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 40310784

約数和(自身を除く): 21090374

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 71, 107, 110, 115, 142, 214, 230, 253, 355, 506, 535, 710, 781, 1070, 1177, 1265, 1562, 1633, 2354, 2461, 2530, 3266, 3905, 4922, 5885, 7597, 7810, 8165, 11770, 12305, 15194, 16330, 17963, 24610, 27071, 35926, 37985, 54142, 75970, 83567, 89815, 135355, 167134, 174731, 179630, 270710, 349462, 417835, 835670, 873655, 1747310, 1922041, 3844082, 9610205, 19220410]

約数ペア:

[(1, 19220410), (2, 9610205), (5, 3844082), (10, 1922041), (11, 1747310), (22, 873655), (23, 835670), (46, 417835), (55, 349462), (71, 270710), (107, 179630), (110, 174731), (115, 167134), (142, 135355), (214, 89815), (230, 83567), (253, 75970), (355, 54142), (506, 37985), (535, 35926), (710, 27071), (781, 24610), (1070, 17963), (1177, 16330), (1265, 15194), (1562, 12305), (1633, 11770), (2354, 8165), (2461, 7810), (2530, 7597), (3266, 5885), (3905, 4922)]