18853054

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 35458560

約数和(自身を除く): 16605506

約数列:

[1, 2, 11, 19, 22, 23, 37, 38, 46, 53, 74, 106, 209, 253, 407, 418, 437, 506, 583, 703, 814, 851, 874, 1007, 1166, 1219, 1406, 1702, 1961, 2014, 2438, 3922, 4807, 7733, 9361, 9614, 11077, 13409, 15466, 16169, 18722, 21571, 22154, 23161, 26818, 32338, 37259, 43142, 45103, 46322, 74518, 90206, 177859, 254771, 355718, 409849, 496133, 509542, 819698, 856957, 992266, 1713914, 9426527, 18853054]

約数ペア:

[(1, 18853054), (2, 9426527), (11, 1713914), (19, 992266), (22, 856957), (23, 819698), (37, 509542), (38, 496133), (46, 409849), (53, 355718), (74, 254771), (106, 177859), (209, 90206), (253, 74518), (407, 46322), (418, 45103), (437, 43142), (506, 37259), (583, 32338), (703, 26818), (814, 23161), (851, 22154), (874, 21571), (1007, 18722), (1166, 16169), (1219, 15466), (1406, 13409), (1702, 11077), (1961, 9614), (2014, 9361), (2438, 7733), (3922, 4807)]