18958428

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9239}}^1$

素因数の和:9271

約数の個数: 48

約数和(自身を含む): 51744000

約数和(自身を除く): 32785572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 9239, 18478, 27717, 36956, 55434, 83151, 110868, 166302, 175541, 249453, 332604, 351082, 498906, 526623, 702164, 997812, 1053246, 1579869, 2106492, 3159738, 4739607, 6319476, 9479214, 18958428]

約数ペア:

[(1, 18958428), (2, 9479214), (3, 6319476), (4, 4739607), (6, 3159738), (9, 2106492), (12, 1579869), (18, 1053246), (19, 997812), (27, 702164), (36, 526623), (38, 498906), (54, 351082), (57, 332604), (76, 249453), (108, 175541), (114, 166302), (171, 110868), (228, 83151), (342, 55434), (513, 36956), (684, 27717), (1026, 18478), (2052, 9239)]