18564368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{773}}^1$

素因数の和:879

約数の個数: 40

約数和(自身を含む): 38390400

約数和(自身を除く): 19826032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 79, 152, 158, 304, 316, 632, 773, 1264, 1501, 1546, 3002, 3092, 6004, 6184, 12008, 12368, 14687, 24016, 29374, 58748, 61067, 117496, 122134, 234992, 244268, 488536, 977072, 1160273, 2320546, 4641092, 9282184, 18564368]

約数ペア:

[(1, 18564368), (2, 9282184), (4, 4641092), (8, 2320546), (16, 1160273), (19, 977072), (38, 488536), (76, 244268), (79, 234992), (152, 122134), (158, 117496), (304, 61067), (316, 58748), (632, 29374), (773, 24016), (1264, 14687), (1501, 12368), (1546, 12008), (3002, 6184), (3092, 6004)]