18620238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:601

約数の個数: 64

約数和(自身を含む): 46609920

約数和(自身を除く): 27989682

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 67, 78, 91, 134, 182, 201, 273, 402, 469, 509, 546, 871, 938, 1018, 1407, 1527, 1742, 2613, 2814, 3054, 3563, 5226, 6097, 6617, 7126, 10689, 12194, 13234, 18291, 19851, 21378, 34103, 36582, 39702, 46319, 68206, 92638, 102309, 138957, 204618, 238721, 277914, 443339, 477442, 716163, 886678, 1330017, 1432326, 2660034, 3103373, 6206746, 9310119, 18620238]

約数ペア:

[(1, 18620238), (2, 9310119), (3, 6206746), (6, 3103373), (7, 2660034), (13, 1432326), (14, 1330017), (21, 886678), (26, 716163), (39, 477442), (42, 443339), (67, 277914), (78, 238721), (91, 204618), (134, 138957), (182, 102309), (201, 92638), (273, 68206), (402, 46319), (469, 39702), (509, 36582), (546, 34103), (871, 21378), (938, 19851), (1018, 18291), (1407, 13234), (1527, 12194), (1742, 10689), (2613, 7126), (2814, 6617), (3054, 6097), (3563, 5226)]