18390812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 36879360

約数和(自身を除く): 18488548

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 97, 124, 139, 194, 278, 341, 388, 556, 682, 1067, 1364, 1529, 2134, 3007, 3058, 4268, 4309, 6014, 6116, 8618, 12028, 13483, 17236, 26966, 33077, 47399, 53932, 66154, 94798, 132308, 148313, 189596, 296626, 417973, 593252, 835946, 1671892, 4597703, 9195406, 18390812]

約数ペア:

[(1, 18390812), (2, 9195406), (4, 4597703), (11, 1671892), (22, 835946), (31, 593252), (44, 417973), (62, 296626), (97, 189596), (124, 148313), (139, 132308), (194, 94798), (278, 66154), (341, 53932), (388, 47399), (556, 33077), (682, 26966), (1067, 17236), (1364, 13483), (1529, 12028), (2134, 8618), (3007, 6116), (3058, 6014), (4268, 4309)]