19785308

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 18921892

約数列:

[1, 2, 4, 19, 29, 38, 47, 58, 76, 94, 116, 188, 191, 382, 551, 764, 893, 1102, 1363, 1786, 2204, 2726, 3572, 3629, 5452, 5539, 7258, 8977, 11078, 14516, 17954, 22156, 25897, 35908, 51794, 103588, 105241, 170563, 210482, 260333, 341126, 420964, 520666, 682252, 1041332, 4946327, 9892654, 19785308]

約数ペア:

[(1, 19785308), (2, 9892654), (4, 4946327), (19, 1041332), (29, 682252), (38, 520666), (47, 420964), (58, 341126), (76, 260333), (94, 210482), (116, 170563), (188, 105241), (191, 103588), (382, 51794), (551, 35908), (764, 25897), (893, 22156), (1102, 17954), (1363, 14516), (1786, 11078), (2204, 8977), (2726, 7258), (3572, 5539), (3629, 5452)]