19011344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1119

約数の個数: 40

約数和(自身を含む): 40592640

約数和(自身を除く): 21581296

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 991, 1199, 1744, 1982, 2398, 3964, 4796, 7928, 9592, 10901, 15856, 19184, 21802, 43604, 87208, 108019, 174416, 216038, 432076, 864152, 1188209, 1728304, 2376418, 4752836, 9505672, 19011344]

約数ペア:

[(1, 19011344), (2, 9505672), (4, 4752836), (8, 2376418), (11, 1728304), (16, 1188209), (22, 864152), (44, 432076), (88, 216038), (109, 174416), (176, 108019), (218, 87208), (436, 43604), (872, 21802), (991, 19184), (1199, 15856), (1744, 10901), (1982, 9592), (2398, 7928), (3964, 4796)]