18492016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1031}}^1$

素因数の和:1117

約数の個数: 40

約数和(自身を含む): 38390400

約数和(自身を除く): 19898384

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 152, 236, 304, 472, 944, 1031, 1121, 2062, 2242, 4124, 4484, 8248, 8968, 16496, 17936, 19589, 39178, 60829, 78356, 121658, 156712, 243316, 313424, 486632, 973264, 1155751, 2311502, 4623004, 9246008, 18492016]

約数ペア:

[(1, 18492016), (2, 9246008), (4, 4623004), (8, 2311502), (16, 1155751), (19, 973264), (38, 486632), (59, 313424), (76, 243316), (118, 156712), (152, 121658), (236, 78356), (304, 60829), (472, 39178), (944, 19589), (1031, 17936), (1121, 16496), (2062, 8968), (2242, 8248), (4124, 4484)]